25793080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 62324640

約数和(自身を除く): 36531560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 457, 664, 680, 830, 914, 1411, 1660, 1828, 2285, 2822, 3320, 3656, 4570, 5644, 7055, 7769, 9140, 11288, 14110, 15538, 18280, 28220, 31076, 37931, 38845, 56440, 62152, 75862, 77690, 151724, 155380, 189655, 303448, 310760, 379310, 644827, 758620, 1289654, 1517240, 2579308, 3224135, 5158616, 6448270, 12896540, 25793080]

約数ペア:

[(1, 25793080), (2, 12896540), (4, 6448270), (5, 5158616), (8, 3224135), (10, 2579308), (17, 1517240), (20, 1289654), (34, 758620), (40, 644827), (68, 379310), (83, 310760), (85, 303448), (136, 189655), (166, 155380), (170, 151724), (332, 77690), (340, 75862), (415, 62152), (457, 56440), (664, 38845), (680, 37931), (830, 31076), (914, 28220), (1411, 18280), (1660, 15538), (1828, 14110), (2285, 11288), (2822, 9140), (3320, 7769), (3656, 7055), (4570, 5644)]