89615920

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5309}}^1$

素因数の和:5533

約数の個数: 40

約数和(自身を含む): 209383920

約数和(自身を除く): 119768000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 5309, 8440, 10618, 16880, 21236, 26545, 42472, 53090, 84944, 106180, 212360, 424720, 1120199, 2240398, 4480796, 5600995, 8961592, 11201990, 17923184, 22403980, 44807960, 89615920]

約数ペア:

[(1, 89615920), (2, 44807960), (4, 22403980), (5, 17923184), (8, 11201990), (10, 8961592), (16, 5600995), (20, 4480796), (40, 2240398), (80, 1120199), (211, 424720), (422, 212360), (844, 106180), (1055, 84944), (1688, 53090), (2110, 42472), (3376, 26545), (4220, 21236), (5309, 16880), (8440, 10618)]