42342640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 105127200

約数和(自身を除く): 62784560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 313, 356, 380, 445, 626, 712, 760, 890, 1252, 1424, 1520, 1565, 1691, 1780, 2504, 3130, 3382, 3560, 5008, 5947, 6260, 6764, 7120, 8455, 11894, 12520, 13528, 16910, 23788, 25040, 27056, 27857, 29735, 33820, 47576, 55714, 59470, 67640, 95152, 111428, 118940, 135280, 139285, 222856, 237880, 278570, 445712, 475760, 529283, 557140, 1058566, 1114280, 2117132, 2228560, 2646415, 4234264, 5292830, 8468528, 10585660, 21171320, 42342640]

約数ペア:

[(1, 42342640), (2, 21171320), (4, 10585660), (5, 8468528), (8, 5292830), (10, 4234264), (16, 2646415), (19, 2228560), (20, 2117132), (38, 1114280), (40, 1058566), (76, 557140), (80, 529283), (89, 475760), (95, 445712), (152, 278570), (178, 237880), (190, 222856), (304, 139285), (313, 135280), (356, 118940), (380, 111428), (445, 95152), (626, 67640), (712, 59470), (760, 55714), (890, 47576), (1252, 33820), (1424, 29735), (1520, 27857), (1565, 27056), (1691, 25040), (1780, 23788), (2504, 16910), (3130, 13528), (3382, 12520), (3560, 11894), (5008, 8455), (5947, 7120), (6260, 6764)]