251796880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101531}}^1$

素因数の和:101575

約数の個数: 40

約数和(自身を含む): 604318464

約数和(自身を除く): 352521584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 101531, 203062, 406124, 507655, 812248, 1015310, 1624496, 2030620, 3147461, 4061240, 6294922, 8122480, 12589844, 15737305, 25179688, 31474610, 50359376, 62949220, 125898440, 251796880]

約数ペア:

[(1, 251796880), (2, 125898440), (4, 62949220), (5, 50359376), (8, 31474610), (10, 25179688), (16, 15737305), (20, 12589844), (31, 8122480), (40, 6294922), (62, 4061240), (80, 3147461), (124, 2030620), (155, 1624496), (248, 1015310), (310, 812248), (496, 507655), (620, 406124), (1240, 203062), (2480, 101531)]