25339520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 64819980

約数和(自身を除く): 39480460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 137, 160, 170, 272, 274, 289, 320, 340, 544, 548, 578, 640, 680, 685, 1088, 1096, 1156, 1360, 1370, 1445, 2176, 2192, 2312, 2329, 2720, 2740, 2890, 4384, 4624, 4658, 5440, 5480, 5780, 8768, 9248, 9316, 10880, 10960, 11560, 11645, 17536, 18496, 18632, 21920, 23120, 23290, 36992, 37264, 39593, 43840, 46240, 46580, 74528, 79186, 87680, 92480, 93160, 149056, 158372, 184960, 186320, 197965, 298112, 316744, 372640, 395930, 633488, 745280, 791860, 1266976, 1490560, 1583720, 2533952, 3167440, 5067904, 6334880, 12669760, 25339520]

約数ペア:

[(1, 25339520), (2, 12669760), (4, 6334880), (5, 5067904), (8, 3167440), (10, 2533952), (16, 1583720), (17, 1490560), (20, 1266976), (32, 791860), (34, 745280), (40, 633488), (64, 395930), (68, 372640), (80, 316744), (85, 298112), (128, 197965), (136, 186320), (137, 184960), (160, 158372), (170, 149056), (272, 93160), (274, 92480), (289, 87680), (320, 79186), (340, 74528), (544, 46580), (548, 46240), (578, 43840), (640, 39593), (680, 37264), (685, 36992), (1088, 23290), (1096, 23120), (1156, 21920), (1360, 18632), (1370, 18496), (1445, 17536), (2176, 11645), (2192, 11560), (2312, 10960), (2329, 10880), (2720, 9316), (2740, 9248), (2890, 8768), (4384, 5780), (4624, 5480), (4658, 5440)]