38754560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 106623216

約数和(自身を除く): 67868656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 137, 160, 170, 208, 221, 256, 260, 272, 274, 320, 340, 416, 442, 520, 544, 548, 640, 680, 685, 832, 884, 1040, 1088, 1096, 1105, 1280, 1360, 1370, 1664, 1768, 1781, 2080, 2176, 2192, 2210, 2329, 2720, 2740, 3328, 3536, 3562, 4160, 4352, 4384, 4420, 4658, 5440, 5480, 7072, 7124, 8320, 8768, 8840, 8905, 9316, 10880, 10960, 11645, 14144, 14248, 16640, 17536, 17680, 17810, 18632, 21760, 21920, 23290, 28288, 28496, 30277, 35072, 35360, 35620, 37264, 43840, 46580, 56576, 56992, 60554, 70720, 71240, 74528, 87680, 93160, 113984, 121108, 141440, 142480, 149056, 151385, 175360, 186320, 227968, 242216, 282880, 284960, 298112, 302770, 372640, 455936, 484432, 569920, 596224, 605540, 745280, 968864, 1139840, 1211080, 1490560, 1937728, 2279680, 2422160, 2981120, 3875456, 4844320, 7750912, 9688640, 19377280, 38754560]

約数ペア:

[(1, 38754560), (2, 19377280), (4, 9688640), (5, 7750912), (8, 4844320), (10, 3875456), (13, 2981120), (16, 2422160), (17, 2279680), (20, 1937728), (26, 1490560), (32, 1211080), (34, 1139840), (40, 968864), (52, 745280), (64, 605540), (65, 596224), (68, 569920), (80, 484432), (85, 455936), (104, 372640), (128, 302770), (130, 298112), (136, 284960), (137, 282880), (160, 242216), (170, 227968), (208, 186320), (221, 175360), (256, 151385), (260, 149056), (272, 142480), (274, 141440), (320, 121108), (340, 113984), (416, 93160), (442, 87680), (520, 74528), (544, 71240), (548, 70720), (640, 60554), (680, 56992), (685, 56576), (832, 46580), (884, 43840), (1040, 37264), (1088, 35620), (1096, 35360), (1105, 35072), (1280, 30277), (1360, 28496), (1370, 28288), (1664, 23290), (1768, 21920), (1781, 21760), (2080, 18632), (2176, 17810), (2192, 17680), (2210, 17536), (2329, 16640), (2720, 14248), (2740, 14144), (3328, 11645), (3536, 10960), (3562, 10880), (4160, 9316), (4352, 8905), (4384, 8840), (4420, 8768), (4658, 8320), (5440, 7124), (5480, 7072)]