42391280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^2$

素因数の和:366

約数の個数: 60

約数和(自身を含む): 104372040

約数和(自身を除く): 61980760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 304, 334, 380, 668, 760, 835, 1336, 1520, 1670, 2672, 3173, 3340, 6346, 6680, 12692, 13360, 15865, 25384, 27889, 31730, 50768, 55778, 63460, 111556, 126920, 139445, 223112, 253840, 278890, 446224, 529891, 557780, 1059782, 1115560, 2119564, 2231120, 2649455, 4239128, 5298910, 8478256, 10597820, 21195640, 42391280]

約数ペア:

[(1, 42391280), (2, 21195640), (4, 10597820), (5, 8478256), (8, 5298910), (10, 4239128), (16, 2649455), (19, 2231120), (20, 2119564), (38, 1115560), (40, 1059782), (76, 557780), (80, 529891), (95, 446224), (152, 278890), (167, 253840), (190, 223112), (304, 139445), (334, 126920), (380, 111556), (668, 63460), (760, 55778), (835, 50768), (1336, 31730), (1520, 27889), (1670, 25384), (2672, 15865), (3173, 13360), (3340, 12692), (6346, 6680)]