138335920

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3319}}^1$

素因数の和:3853

約数の個数: 40

約数和(自身を含む): 322345440

約数和(自身を除く): 184009520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2084, 2605, 3319, 4168, 5210, 6638, 8336, 10420, 13276, 16595, 20840, 26552, 33190, 41680, 53104, 66380, 132760, 265520, 1729199, 3458398, 6916796, 8645995, 13833592, 17291990, 27667184, 34583980, 69167960, 138335920]

約数ペア:

[(1, 138335920), (2, 69167960), (4, 34583980), (5, 27667184), (8, 17291990), (10, 13833592), (16, 8645995), (20, 6916796), (40, 3458398), (80, 1729199), (521, 265520), (1042, 132760), (2084, 66380), (2605, 53104), (3319, 41680), (4168, 33190), (5210, 26552), (6638, 20840), (8336, 16595), (10420, 13276)]