31980530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 60300288

約数和(自身を除く): 28319758

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1453, 2201, 2906, 4402, 7265, 11005, 14530, 22010, 45043, 90086, 103163, 206326, 225215, 450430, 515815, 1031630, 3198053, 6396106, 15990265, 31980530]

約数ペア:

[(1, 31980530), (2, 15990265), (5, 6396106), (10, 3198053), (31, 1031630), (62, 515815), (71, 450430), (142, 225215), (155, 206326), (310, 103163), (355, 90086), (710, 45043), (1453, 22010), (2201, 14530), (2906, 11005), (4402, 7265)]