15907960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12829}}^1$

素因数の和:12871

約数の個数: 32

約数和(自身を含む): 36950400

約数和(自身を除く): 21042440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12829, 25658, 51316, 64145, 102632, 128290, 256580, 397699, 513160, 795398, 1590796, 1988495, 3181592, 3976990, 7953980, 15907960]

約数ペア:

[(1, 15907960), (2, 7953980), (4, 3976990), (5, 3181592), (8, 1988495), (10, 1590796), (20, 795398), (31, 513160), (40, 397699), (62, 256580), (124, 128290), (155, 102632), (248, 64145), (310, 51316), (620, 25658), (1240, 12829)]