100400560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5081}}^1$

素因数の和:5126

約数の個数: 80

約数和(自身を含む): 264670560

約数和(自身を除く): 164270000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 5081, 9880, 10162, 19760, 20324, 25405, 40648, 50810, 66053, 81296, 96539, 101620, 132106, 193078, 203240, 264212, 330265, 386156, 406480, 482695, 528424, 660530, 772312, 965390, 1056848, 1255007, 1321060, 1544624, 1930780, 2510014, 2642120, 3861560, 5020028, 5284240, 6275035, 7723120, 10040056, 12550070, 20080112, 25100140, 50200280, 100400560]

約数ペア:

[(1, 100400560), (2, 50200280), (4, 25100140), (5, 20080112), (8, 12550070), (10, 10040056), (13, 7723120), (16, 6275035), (19, 5284240), (20, 5020028), (26, 3861560), (38, 2642120), (40, 2510014), (52, 1930780), (65, 1544624), (76, 1321060), (80, 1255007), (95, 1056848), (104, 965390), (130, 772312), (152, 660530), (190, 528424), (208, 482695), (247, 406480), (260, 386156), (304, 330265), (380, 264212), (494, 203240), (520, 193078), (760, 132106), (988, 101620), (1040, 96539), (1235, 81296), (1520, 66053), (1976, 50810), (2470, 40648), (3952, 25405), (4940, 20324), (5081, 19760), (9880, 10162)]