85545980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17317}}^1$

素因数の和:17358

約数の個数: 48

約数和(自身を含む): 203659680

約数和(自身を除く): 118113700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 17317, 34634, 69268, 86585, 173170, 225121, 329023, 346340, 450242, 658046, 900484, 1125605, 1316092, 1645115, 2251210, 3290230, 4277299, 4502420, 6580460, 8554598, 17109196, 21386495, 42772990, 85545980]

約数ペア:

[(1, 85545980), (2, 42772990), (4, 21386495), (5, 17109196), (10, 8554598), (13, 6580460), (19, 4502420), (20, 4277299), (26, 3290230), (38, 2251210), (52, 1645115), (65, 1316092), (76, 1125605), (95, 900484), (130, 658046), (190, 450242), (247, 346340), (260, 329023), (380, 225121), (494, 173170), (988, 86585), (1235, 69268), (2470, 34634), (4940, 17317)]