71639140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115547}}^1$

素因数の和:115587

約数の個数: 24

約数和(自身を含む): 155296512

約数和(自身を除く): 83657372

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 115547, 231094, 462188, 577735, 1155470, 2310940, 3581957, 7163914, 14327828, 17909785, 35819570, 71639140]

約数ペア:

[(1, 71639140), (2, 35819570), (4, 17909785), (5, 14327828), (10, 7163914), (20, 3581957), (31, 2310940), (62, 1155470), (124, 577735), (155, 462188), (310, 231094), (620, 115547)]