49537720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 115758720

約数和(自身を除く): 66221000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 347, 415, 430, 664, 694, 830, 860, 1388, 1660, 1720, 1735, 2776, 3320, 3470, 3569, 6940, 7138, 13880, 14276, 14921, 17845, 28552, 28801, 29842, 35690, 57602, 59684, 71380, 74605, 115204, 119368, 142760, 144005, 149210, 230408, 288010, 298420, 576020, 596840, 1152040, 1238443, 2476886, 4953772, 6192215, 9907544, 12384430, 24768860, 49537720]

約数ペア:

[(1, 49537720), (2, 24768860), (4, 12384430), (5, 9907544), (8, 6192215), (10, 4953772), (20, 2476886), (40, 1238443), (43, 1152040), (83, 596840), (86, 576020), (166, 298420), (172, 288010), (215, 230408), (332, 149210), (344, 144005), (347, 142760), (415, 119368), (430, 115204), (664, 74605), (694, 71380), (830, 59684), (860, 57602), (1388, 35690), (1660, 29842), (1720, 28801), (1735, 28552), (2776, 17845), (3320, 14921), (3470, 14276), (3569, 13880), (6940, 7138)]