55103180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 130258800

約数和(自身を除く): 75155620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 149, 164, 205, 220, 298, 410, 451, 596, 745, 820, 902, 1490, 1639, 1681, 1804, 2255, 2980, 3278, 3362, 4510, 6109, 6556, 6724, 8195, 8405, 9020, 12218, 16390, 16810, 18491, 24436, 30545, 32780, 33620, 36982, 61090, 67199, 73964, 92455, 122180, 134398, 184910, 250469, 268796, 335995, 369820, 500938, 671990, 1001876, 1252345, 1343980, 2504690, 2755159, 5009380, 5510318, 11020636, 13775795, 27551590, 55103180]

約数ペア:

[(1, 55103180), (2, 27551590), (4, 13775795), (5, 11020636), (10, 5510318), (11, 5009380), (20, 2755159), (22, 2504690), (41, 1343980), (44, 1252345), (55, 1001876), (82, 671990), (110, 500938), (149, 369820), (164, 335995), (205, 268796), (220, 250469), (298, 184910), (410, 134398), (451, 122180), (596, 92455), (745, 73964), (820, 67199), (902, 61090), (1490, 36982), (1639, 33620), (1681, 32780), (1804, 30545), (2255, 24436), (2980, 18491), (3278, 16810), (3362, 16390), (4510, 12218), (6109, 9020), (6556, 8405), (6724, 8195)]