38621960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 99799560

約数和(自身を除く): 61177600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 257, 260, 289, 340, 442, 514, 520, 578, 680, 884, 1028, 1105, 1156, 1285, 1445, 1768, 2056, 2210, 2312, 2570, 2890, 3341, 3757, 4369, 4420, 5140, 5780, 6682, 7514, 8738, 8840, 10280, 11560, 13364, 15028, 16705, 17476, 18785, 21845, 26728, 30056, 33410, 34952, 37570, 43690, 56797, 66820, 74273, 75140, 87380, 113594, 133640, 148546, 150280, 174760, 227188, 283985, 297092, 371365, 454376, 567970, 594184, 742730, 965549, 1135940, 1485460, 1931098, 2271880, 2970920, 3862196, 4827745, 7724392, 9655490, 19310980, 38621960]

約数ペア:

[(1, 38621960), (2, 19310980), (4, 9655490), (5, 7724392), (8, 4827745), (10, 3862196), (13, 2970920), (17, 2271880), (20, 1931098), (26, 1485460), (34, 1135940), (40, 965549), (52, 742730), (65, 594184), (68, 567970), (85, 454376), (104, 371365), (130, 297092), (136, 283985), (170, 227188), (221, 174760), (257, 150280), (260, 148546), (289, 133640), (340, 113594), (442, 87380), (514, 75140), (520, 74273), (578, 66820), (680, 56797), (884, 43690), (1028, 37570), (1105, 34952), (1156, 33410), (1285, 30056), (1445, 26728), (1768, 21845), (2056, 18785), (2210, 17476), (2312, 16705), (2570, 15028), (2890, 13364), (3341, 11560), (3757, 10280), (4369, 8840), (4420, 8738), (5140, 7514), (5780, 6682)]