40000788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 106020096

約数和(自身を除く): 66019308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 438, 491, 558, 657, 876, 982, 1116, 1314, 1473, 1964, 2263, 2628, 2946, 4419, 4526, 5892, 6789, 8838, 9052, 13578, 15221, 17676, 20367, 27156, 30442, 35843, 40734, 45663, 60884, 71686, 81468, 91326, 107529, 136989, 143372, 182652, 215058, 273978, 322587, 430116, 547956, 645174, 1111133, 1290348, 2222266, 3333399, 4444532, 6666798, 10000197, 13333596, 20000394, 40000788]

約数ペア:

[(1, 40000788), (2, 20000394), (3, 13333596), (4, 10000197), (6, 6666798), (9, 4444532), (12, 3333399), (18, 2222266), (31, 1290348), (36, 1111133), (62, 645174), (73, 547956), (93, 430116), (124, 322587), (146, 273978), (186, 215058), (219, 182652), (279, 143372), (292, 136989), (372, 107529), (438, 91326), (491, 81468), (558, 71686), (657, 60884), (876, 45663), (982, 40734), (1116, 35843), (1314, 30442), (1473, 27156), (1964, 20367), (2263, 17676), (2628, 15221), (2946, 13578), (4419, 9052), (4526, 8838), (5892, 6789)]