40252880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16231}}^1$

素因数の和:16275

約数の個数: 40

約数和(自身を含む): 96612864

約数和(自身を除く): 56359984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16231, 32462, 64924, 81155, 129848, 162310, 259696, 324620, 503161, 649240, 1006322, 1298480, 2012644, 2515805, 4025288, 5031610, 8050576, 10063220, 20126440, 40252880]

約数ペア:

[(1, 40252880), (2, 20126440), (4, 10063220), (5, 8050576), (8, 5031610), (10, 4025288), (16, 2515805), (20, 2012644), (31, 1298480), (40, 1006322), (62, 649240), (80, 503161), (124, 324620), (155, 259696), (248, 162310), (310, 129848), (496, 81155), (620, 64924), (1240, 32462), (2480, 16231)]