25397320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^2$

素因数の和:84

約数の個数: 96

約数和(自身を含む): 65759400

約数和(自身を除く): 40362080

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 169, 170, 221, 260, 289, 338, 340, 442, 520, 578, 676, 680, 845, 884, 1105, 1156, 1352, 1445, 1690, 1768, 2197, 2210, 2312, 2873, 2890, 3380, 3757, 4394, 4420, 5746, 5780, 6760, 7514, 8788, 8840, 10985, 11492, 11560, 14365, 15028, 17576, 18785, 21970, 22984, 28730, 30056, 37349, 37570, 43940, 48841, 57460, 74698, 75140, 87880, 97682, 114920, 149396, 150280, 186745, 195364, 244205, 298792, 373490, 390728, 488410, 634933, 746980, 976820, 1269866, 1493960, 1953640, 2539732, 3174665, 5079464, 6349330, 12698660, 25397320]

約数ペア:

[(1, 25397320), (2, 12698660), (4, 6349330), (5, 5079464), (8, 3174665), (10, 2539732), (13, 1953640), (17, 1493960), (20, 1269866), (26, 976820), (34, 746980), (40, 634933), (52, 488410), (65, 390728), (68, 373490), (85, 298792), (104, 244205), (130, 195364), (136, 186745), (169, 150280), (170, 149396), (221, 114920), (260, 97682), (289, 87880), (338, 75140), (340, 74698), (442, 57460), (520, 48841), (578, 43940), (676, 37570), (680, 37349), (845, 30056), (884, 28730), (1105, 22984), (1156, 21970), (1352, 18785), (1445, 17576), (1690, 15028), (1768, 14365), (2197, 11560), (2210, 11492), (2312, 10985), (2873, 8840), (2890, 8788), (3380, 7514), (3757, 6760), (4394, 5780), (4420, 5746)]