80453680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32441}}^1$

素因数の和:32485

約数の個数: 40

約数和(自身を含む): 193094784

約数和(自身を除く): 112641104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32441, 64882, 129764, 162205, 259528, 324410, 519056, 648820, 1005671, 1297640, 2011342, 2595280, 4022684, 5028355, 8045368, 10056710, 16090736, 20113420, 40226840, 80453680]

約数ペア:

[(1, 80453680), (2, 40226840), (4, 20113420), (5, 16090736), (8, 10056710), (10, 8045368), (16, 5028355), (20, 4022684), (31, 2595280), (40, 2011342), (62, 1297640), (80, 1005671), (124, 648820), (155, 519056), (248, 324410), (310, 259528), (496, 162205), (620, 129764), (1240, 64882), (2480, 32441)]