25425880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 35810120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 269, 278, 340, 538, 556, 680, 695, 1076, 1112, 1345, 1390, 2152, 2363, 2690, 2780, 4573, 4726, 5380, 5560, 9146, 9452, 10760, 11815, 18292, 18904, 22865, 23630, 36584, 37391, 45730, 47260, 74782, 91460, 94520, 149564, 182920, 186955, 299128, 373910, 635647, 747820, 1271294, 1495640, 2542588, 3178235, 5085176, 6356470, 12712940, 25425880]

約数ペア:

[(1, 25425880), (2, 12712940), (4, 6356470), (5, 5085176), (8, 3178235), (10, 2542588), (17, 1495640), (20, 1271294), (34, 747820), (40, 635647), (68, 373910), (85, 299128), (136, 186955), (139, 182920), (170, 149564), (269, 94520), (278, 91460), (340, 74782), (538, 47260), (556, 45730), (680, 37391), (695, 36584), (1076, 23630), (1112, 22865), (1345, 18904), (1390, 18292), (2152, 11815), (2363, 10760), (2690, 9452), (2780, 9146), (4573, 5560), (4726, 5380)]