98987960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79829}}^1$

素因数の和:79871

約数の個数: 32

約数和(自身を含む): 229910400

約数和(自身を除く): 130922440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 79829, 159658, 319316, 399145, 638632, 798290, 1596580, 2474699, 3193160, 4949398, 9898796, 12373495, 19797592, 24746990, 49493980, 98987960]

約数ペア:

[(1, 98987960), (2, 49493980), (4, 24746990), (5, 19797592), (8, 12373495), (10, 9898796), (20, 4949398), (31, 3193160), (40, 2474699), (62, 1596580), (124, 798290), (155, 638632), (248, 399145), (310, 319316), (620, 159658), (1240, 79829)]