72500870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19231}}^1$

素因数の和:19280

約数の個数: 32

約数和(自身を含む): 145393920

約数和(自身を除く): 72893050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 19231, 38462, 96155, 192310, 250003, 500006, 557699, 1115398, 1250015, 2500030, 2788495, 5576990, 7250087, 14500174, 36250435, 72500870]

約数ペア:

[(1, 72500870), (2, 36250435), (5, 14500174), (10, 7250087), (13, 5576990), (26, 2788495), (29, 2500030), (58, 1250015), (65, 1115398), (130, 557699), (145, 500006), (290, 250003), (377, 192310), (754, 96155), (1885, 38462), (3770, 19231)]