156983128160

素因数分解:

$2^5\times 5^1\times {\mathrm{10909}}^1\times {\mathrm{89939}}^1$

素因数の和:100863

約数の個数: 48

約数和(自身を含む): 370910761200

約数和(自身を除く): 213927633040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10909, 21818, 43636, 54545, 87272, 89939, 109090, 174544, 179878, 218180, 349088, 359756, 436360, 449695, 719512, 872720, 899390, 1439024, 1745440, 1798780, 2878048, 3597560, 7195120, 14390240, 981144551, 1962289102, 3924578204, 4905722755, 7849156408, 9811445510, 15698312816, 19622891020, 31396625632, 39245782040, 78491564080, 156983128160]

約数ペア:

[(1, 156983128160), (2, 78491564080), (4, 39245782040), (5, 31396625632), (8, 19622891020), (10, 15698312816), (16, 9811445510), (20, 7849156408), (32, 4905722755), (40, 3924578204), (80, 1962289102), (160, 981144551), (10909, 14390240), (21818, 7195120), (43636, 3597560), (54545, 2878048), (87272, 1798780), (89939, 1745440), (109090, 1439024), (174544, 899390), (179878, 872720), (218180, 719512), (349088, 449695), (359756, 436360)]