163927760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55381}}^1$

素因数の和:55431

約数の個数: 40

約数和(自身を含む): 391439976

約数和(自身を除く): 227512216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 55381, 110762, 221524, 276905, 443048, 553810, 886096, 1107620, 2049097, 2215240, 4098194, 4430480, 8196388, 10245485, 16392776, 20490970, 32785552, 40981940, 81963880, 163927760]

約数ペア:

[(1, 163927760), (2, 81963880), (4, 40981940), (5, 32785552), (8, 20490970), (10, 16392776), (16, 10245485), (20, 8196388), (37, 4430480), (40, 4098194), (74, 2215240), (80, 2049097), (148, 1107620), (185, 886096), (296, 553810), (370, 443048), (592, 276905), (740, 221524), (1480, 110762), (2960, 55381)]