27902480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11251}}^1$

素因数の和:11295

約数の個数: 40

約数和(自身を含む): 66971904

約数和(自身を除く): 39069424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 348781, 450040, 697562, 900080, 1395124, 1743905, 2790248, 3487810, 5580496, 6975620, 13951240, 27902480]

約数ペア:

[(1, 27902480), (2, 13951240), (4, 6975620), (5, 5580496), (8, 3487810), (10, 2790248), (16, 1743905), (20, 1395124), (31, 900080), (40, 697562), (62, 450040), (80, 348781), (124, 225020), (155, 180016), (248, 112510), (310, 90008), (496, 56255), (620, 45004), (1240, 22502), (2480, 11251)]