40512220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 100605456

約数和(自身を除く): 60093236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 617, 670, 938, 980, 1234, 1340, 1876, 2345, 2468, 3085, 3283, 4319, 4690, 6170, 6566, 8638, 9380, 12340, 13132, 16415, 17276, 21595, 30233, 32830, 41339, 43190, 60466, 65660, 82678, 86380, 120932, 151165, 165356, 206695, 289373, 302330, 413390, 578746, 604660, 826780, 1157492, 1446865, 2025611, 2893730, 4051222, 5787460, 8102444, 10128055, 20256110, 40512220]

約数ペア:

[(1, 40512220), (2, 20256110), (4, 10128055), (5, 8102444), (7, 5787460), (10, 4051222), (14, 2893730), (20, 2025611), (28, 1446865), (35, 1157492), (49, 826780), (67, 604660), (70, 578746), (98, 413390), (134, 302330), (140, 289373), (196, 206695), (245, 165356), (268, 151165), (335, 120932), (469, 86380), (490, 82678), (617, 65660), (670, 60466), (938, 43190), (980, 41339), (1234, 32830), (1340, 30233), (1876, 21595), (2345, 17276), (2468, 16415), (3085, 13132), (3283, 12340), (4319, 9380), (4690, 8638), (6170, 6566)]