258492880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104231}}^1$

素因数の和:104275

約数の個数: 40

約数和(自身を含む): 620388864

約数和(自身を除く): 361895984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 104231, 208462, 416924, 521155, 833848, 1042310, 1667696, 2084620, 3231161, 4169240, 6462322, 8338480, 12924644, 16155805, 25849288, 32311610, 51698576, 64623220, 129246440, 258492880]

約数ペア:

[(1, 258492880), (2, 129246440), (4, 64623220), (5, 51698576), (8, 32311610), (10, 25849288), (16, 16155805), (20, 12924644), (31, 8338480), (40, 6462322), (62, 4169240), (80, 3231161), (124, 2084620), (155, 1667696), (248, 1042310), (310, 833848), (496, 521155), (620, 416924), (1240, 208462), (2480, 104231)]