8627840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 23904720

約数和(自身を除く): 15276880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 61, 64, 65, 68, 80, 85, 104, 122, 128, 130, 136, 160, 170, 208, 221, 244, 260, 272, 305, 320, 340, 416, 442, 488, 520, 544, 610, 640, 680, 793, 832, 884, 976, 1037, 1040, 1088, 1105, 1220, 1360, 1586, 1664, 1768, 1952, 2074, 2080, 2176, 2210, 2440, 2720, 3172, 3536, 3904, 3965, 4148, 4160, 4420, 4880, 5185, 5440, 6344, 7072, 7808, 7930, 8296, 8320, 8840, 9760, 10370, 10880, 12688, 13481, 14144, 15860, 16592, 17680, 19520, 20740, 25376, 26962, 28288, 31720, 33184, 35360, 39040, 41480, 50752, 53924, 63440, 66368, 67405, 70720, 82960, 101504, 107848, 126880, 132736, 134810, 141440, 165920, 215696, 253760, 269620, 331840, 431392, 507520, 539240, 663680, 862784, 1078480, 1725568, 2156960, 4313920, 8627840]

約数ペア:

[(1, 8627840), (2, 4313920), (4, 2156960), (5, 1725568), (8, 1078480), (10, 862784), (13, 663680), (16, 539240), (17, 507520), (20, 431392), (26, 331840), (32, 269620), (34, 253760), (40, 215696), (52, 165920), (61, 141440), (64, 134810), (65, 132736), (68, 126880), (80, 107848), (85, 101504), (104, 82960), (122, 70720), (128, 67405), (130, 66368), (136, 63440), (160, 53924), (170, 50752), (208, 41480), (221, 39040), (244, 35360), (260, 33184), (272, 31720), (305, 28288), (320, 26962), (340, 25376), (416, 20740), (442, 19520), (488, 17680), (520, 16592), (544, 15860), (610, 14144), (640, 13481), (680, 12688), (793, 10880), (832, 10370), (884, 9760), (976, 8840), (1037, 8320), (1040, 8296), (1088, 7930), (1105, 7808), (1220, 7072), (1360, 6344), (1586, 5440), (1664, 5185), (1768, 4880), (1952, 4420), (2074, 4160), (2080, 4148), (2176, 3965), (2210, 3904), (2440, 3536), (2720, 3172)]