25158640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1466

約数の個数: 80

約数和(自身を含む): 66745728

約数和(自身を除く): 41587088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1423, 1768, 2210, 2846, 3536, 4420, 5692, 7115, 8840, 11384, 14230, 17680, 18499, 22768, 24191, 28460, 36998, 48382, 56920, 73996, 92495, 96764, 113840, 120955, 147992, 184990, 193528, 241910, 295984, 314483, 369980, 387056, 483820, 628966, 739960, 967640, 1257932, 1479920, 1572415, 1935280, 2515864, 3144830, 5031728, 6289660, 12579320, 25158640]

約数ペア:

[(1, 25158640), (2, 12579320), (4, 6289660), (5, 5031728), (8, 3144830), (10, 2515864), (13, 1935280), (16, 1572415), (17, 1479920), (20, 1257932), (26, 967640), (34, 739960), (40, 628966), (52, 483820), (65, 387056), (68, 369980), (80, 314483), (85, 295984), (104, 241910), (130, 193528), (136, 184990), (170, 147992), (208, 120955), (221, 113840), (260, 96764), (272, 92495), (340, 73996), (442, 56920), (520, 48382), (680, 36998), (884, 28460), (1040, 24191), (1105, 22768), (1360, 18499), (1423, 17680), (1768, 14230), (2210, 11384), (2846, 8840), (3536, 7115), (4420, 5692)]