89209840

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4339}}^1$

素因数の和:4609

約数の個数: 40

約数和(自身を含む): 208267920

約数和(自身を除く): 119058080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 4339, 5140, 8678, 10280, 17356, 20560, 21695, 34712, 43390, 69424, 86780, 173560, 347120, 1115123, 2230246, 4460492, 5575615, 8920984, 11151230, 17841968, 22302460, 44604920, 89209840]

約数ペア:

[(1, 89209840), (2, 44604920), (4, 22302460), (5, 17841968), (8, 11151230), (10, 8920984), (16, 5575615), (20, 4460492), (40, 2230246), (80, 1115123), (257, 347120), (514, 173560), (1028, 86780), (1285, 69424), (2056, 43390), (2570, 34712), (4112, 21695), (4339, 20560), (5140, 17356), (8678, 10280)]