25124680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 65710080

約数和(自身を除く): 40585400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1471, 1708, 2135, 2440, 2942, 3416, 4270, 5884, 7355, 8540, 10297, 11768, 14710, 17080, 20594, 29420, 41188, 51485, 58840, 82376, 89731, 102970, 179462, 205940, 358924, 411880, 448655, 628117, 717848, 897310, 1256234, 1794620, 2512468, 3140585, 3589240, 5024936, 6281170, 12562340, 25124680]

約数ペア:

[(1, 25124680), (2, 12562340), (4, 6281170), (5, 5024936), (7, 3589240), (8, 3140585), (10, 2512468), (14, 1794620), (20, 1256234), (28, 897310), (35, 717848), (40, 628117), (56, 448655), (61, 411880), (70, 358924), (122, 205940), (140, 179462), (244, 102970), (280, 89731), (305, 82376), (427, 58840), (488, 51485), (610, 41188), (854, 29420), (1220, 20594), (1471, 17080), (1708, 14710), (2135, 11768), (2440, 10297), (2942, 8540), (3416, 7355), (4270, 5884)]