108979880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87887}}^1$

素因数の和:87929

約数の個数: 32

約数和(自身を含む): 253117440

約数和(自身を除く): 144137560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 87887, 175774, 351548, 439435, 703096, 878870, 1757740, 2724497, 3515480, 5448994, 10897988, 13622485, 21795976, 27244970, 54489940, 108979880]

約数ペア:

[(1, 108979880), (2, 54489940), (4, 27244970), (5, 21795976), (8, 13622485), (10, 10897988), (20, 5448994), (31, 3515480), (40, 2724497), (62, 1757740), (124, 878870), (155, 703096), (248, 439435), (310, 351548), (620, 175774), (1240, 87887)]