156959640440

素因数分解:

$2^3\times 5^1\times {\mathrm{21341}}^1\times {\mathrm{183871}}^1$

素因数の和:205223

約数の個数: 32

約数和(自身を含む): 353177660160

約数和(自身を除く): 196218019720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21341, 42682, 85364, 106705, 170728, 183871, 213410, 367742, 426820, 735484, 853640, 919355, 1470968, 1838710, 3677420, 7354840, 3923991011, 7847982022, 15695964044, 19619955055, 31391928088, 39239910110, 78479820220, 156959640440]

約数ペア:

[(1, 156959640440), (2, 78479820220), (4, 39239910110), (5, 31391928088), (8, 19619955055), (10, 15695964044), (20, 7847982022), (40, 3923991011), (21341, 7354840), (42682, 3677420), (85364, 1838710), (106705, 1470968), (170728, 919355), (183871, 853640), (213410, 735484), (367742, 426820)]