40004760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 120463200

約数和(自身を除く): 80458440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 857, 1167, 1556, 1714, 1945, 2334, 2571, 3112, 3428, 3890, 4285, 4668, 5142, 5835, 6856, 7780, 8570, 9336, 10284, 11670, 12855, 15560, 17140, 20568, 23340, 25710, 34280, 46680, 51420, 102840, 333373, 666746, 1000119, 1333492, 1666865, 2000238, 2666984, 3333730, 4000476, 5000595, 6667460, 8000952, 10001190, 13334920, 20002380, 40004760]

約数ペア:

[(1, 40004760), (2, 20002380), (3, 13334920), (4, 10001190), (5, 8000952), (6, 6667460), (8, 5000595), (10, 4000476), (12, 3333730), (15, 2666984), (20, 2000238), (24, 1666865), (30, 1333492), (40, 1000119), (60, 666746), (120, 333373), (389, 102840), (778, 51420), (857, 46680), (1167, 34280), (1556, 25710), (1714, 23340), (1945, 20568), (2334, 17140), (2571, 15560), (3112, 12855), (3428, 11670), (3890, 10284), (4285, 9336), (4668, 8570), (5142, 7780), (5835, 6856)]