71004880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28631}}^1$

素因数の和:28675

約数の個数: 40

約数和(自身を含む): 170417664

約数和(自身を除く): 99412784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28631, 57262, 114524, 143155, 229048, 286310, 458096, 572620, 887561, 1145240, 1775122, 2290480, 3550244, 4437805, 7100488, 8875610, 14200976, 17751220, 35502440, 71004880]

約数ペア:

[(1, 71004880), (2, 35502440), (4, 17751220), (5, 14200976), (8, 8875610), (10, 7100488), (16, 4437805), (20, 3550244), (31, 2290480), (40, 1775122), (62, 1145240), (80, 887561), (124, 572620), (155, 458096), (248, 286310), (310, 229048), (496, 143155), (620, 114524), (1240, 57262), (2480, 28631)]