40507360

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 96087600

約数和(自身を除く): 55580240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 619, 818, 1238, 1636, 2045, 2476, 3095, 3272, 4090, 4952, 6190, 6544, 8180, 9904, 12380, 13088, 16360, 19808, 24760, 32720, 49520, 65440, 99040, 253171, 506342, 1012684, 1265855, 2025368, 2531710, 4050736, 5063420, 8101472, 10126840, 20253680, 40507360]

約数ペア:

[(1, 40507360), (2, 20253680), (4, 10126840), (5, 8101472), (8, 5063420), (10, 4050736), (16, 2531710), (20, 2025368), (32, 1265855), (40, 1012684), (80, 506342), (160, 253171), (409, 99040), (619, 65440), (818, 49520), (1238, 32720), (1636, 24760), (2045, 19808), (2476, 16360), (3095, 13088), (3272, 12380), (4090, 9904), (4952, 8180), (6190, 6544)]