98975780

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10079}}^1$

素因数の和:10579

約数の個数: 24

約数和(自身を含む): 208293120

約数和(自身を除く): 109317340

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 10079, 20158, 40316, 50395, 100790, 201580, 4948789, 9897578, 19795156, 24743945, 49487890, 98975780]

約数ペア:

[(1, 98975780), (2, 49487890), (4, 24743945), (5, 19795156), (10, 9897578), (20, 4948789), (491, 201580), (982, 100790), (1964, 50395), (2455, 40316), (4910, 20158), (9820, 10079)]