55341640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 130192560

約数和(自身を除く): 74850920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 613, 740, 1220, 1226, 1480, 2257, 2440, 2452, 3065, 4514, 4904, 6130, 9028, 11285, 12260, 18056, 22570, 22681, 24520, 37393, 45140, 45362, 74786, 90280, 90724, 113405, 149572, 181448, 186965, 226810, 299144, 373930, 453620, 747860, 907240, 1383541, 1495720, 2767082, 5534164, 6917705, 11068328, 13835410, 27670820, 55341640]

約数ペア:

[(1, 55341640), (2, 27670820), (4, 13835410), (5, 11068328), (8, 6917705), (10, 5534164), (20, 2767082), (37, 1495720), (40, 1383541), (61, 907240), (74, 747860), (122, 453620), (148, 373930), (185, 299144), (244, 226810), (296, 186965), (305, 181448), (370, 149572), (488, 113405), (610, 90724), (613, 90280), (740, 74786), (1220, 45362), (1226, 45140), (1480, 37393), (2257, 24520), (2440, 22681), (2452, 22570), (3065, 18056), (4514, 12260), (4904, 11285), (6130, 9028)]