49045840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 123117120

約数和(自身を除く): 74071280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 787, 820, 1520, 1558, 1574, 1640, 3116, 3148, 3280, 3895, 3935, 6232, 6296, 7790, 7870, 12464, 12592, 14953, 15580, 15740, 29906, 31160, 31480, 32267, 59812, 62320, 62960, 64534, 74765, 119624, 129068, 149530, 161335, 239248, 258136, 299060, 322670, 516272, 598120, 613073, 645340, 1196240, 1226146, 1290680, 2452292, 2581360, 3065365, 4904584, 6130730, 9809168, 12261460, 24522920, 49045840]

約数ペア:

[(1, 49045840), (2, 24522920), (4, 12261460), (5, 9809168), (8, 6130730), (10, 4904584), (16, 3065365), (19, 2581360), (20, 2452292), (38, 1290680), (40, 1226146), (41, 1196240), (76, 645340), (80, 613073), (82, 598120), (95, 516272), (152, 322670), (164, 299060), (190, 258136), (205, 239248), (304, 161335), (328, 149530), (380, 129068), (410, 119624), (656, 74765), (760, 64534), (779, 62960), (787, 62320), (820, 59812), (1520, 32267), (1558, 31480), (1574, 31160), (1640, 29906), (3116, 15740), (3148, 15580), (3280, 14953), (3895, 12592), (3935, 12464), (6232, 7870), (6296, 7790)]