15982360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12889}}^1$

素因数の和:12931

約数の個数: 32

約数和(自身を含む): 37123200

約数和(自身を除く): 21140840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12889, 25778, 51556, 64445, 103112, 128890, 257780, 399559, 515560, 799118, 1598236, 1997795, 3196472, 3995590, 7991180, 15982360]

約数ペア:

[(1, 15982360), (2, 7991180), (4, 3995590), (5, 3196472), (8, 1997795), (10, 1598236), (20, 799118), (31, 515560), (40, 399559), (62, 257780), (124, 128890), (155, 103112), (248, 64445), (310, 51556), (620, 25778), (1240, 12889)]