81473270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2953}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 153135360

約数和(自身を除く): 71662090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 2953, 5518, 5906, 13795, 14765, 27590, 29530, 91543, 183086, 262817, 457715, 525634, 915430, 1314085, 2628170, 8147327, 16294654, 40736635, 81473270]

約数ペア:

[(1, 81473270), (2, 40736635), (5, 16294654), (10, 8147327), (31, 2628170), (62, 1314085), (89, 915430), (155, 525634), (178, 457715), (310, 262817), (445, 183086), (890, 91543), (2759, 29530), (2953, 27590), (5518, 14765), (5906, 13795)]