55304080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 141959664

約数和(自身を除く): 86655584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1297, 1640, 2132, 2594, 2665, 3280, 4264, 5188, 5330, 6485, 8528, 10376, 10660, 12970, 16861, 20752, 21320, 25940, 33722, 42640, 51880, 53177, 67444, 84305, 103760, 106354, 134888, 168610, 212708, 265885, 269776, 337220, 425416, 531770, 674440, 691301, 850832, 1063540, 1348880, 1382602, 2127080, 2765204, 3456505, 4254160, 5530408, 6913010, 11060816, 13826020, 27652040, 55304080]

約数ペア:

[(1, 55304080), (2, 27652040), (4, 13826020), (5, 11060816), (8, 6913010), (10, 5530408), (13, 4254160), (16, 3456505), (20, 2765204), (26, 2127080), (40, 1382602), (41, 1348880), (52, 1063540), (65, 850832), (80, 691301), (82, 674440), (104, 531770), (130, 425416), (164, 337220), (205, 269776), (208, 265885), (260, 212708), (328, 168610), (410, 134888), (520, 106354), (533, 103760), (656, 84305), (820, 67444), (1040, 53177), (1066, 51880), (1297, 42640), (1640, 33722), (2132, 25940), (2594, 21320), (2665, 20752), (3280, 16861), (4264, 12970), (5188, 10660), (5330, 10376), (6485, 8528)]