40393340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3613}}^1$

素因数の和:3678

約数の個数: 48

約数和(自身を含む): 93501408

約数和(自身を除く): 53108068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 3613, 5590, 7226, 11180, 14452, 18065, 36130, 46969, 72260, 93938, 155359, 187876, 234845, 310718, 469690, 621436, 776795, 939380, 1553590, 2019667, 3107180, 4039334, 8078668, 10098335, 20196670, 40393340]

約数ペア:

[(1, 40393340), (2, 20196670), (4, 10098335), (5, 8078668), (10, 4039334), (13, 3107180), (20, 2019667), (26, 1553590), (43, 939380), (52, 776795), (65, 621436), (86, 469690), (130, 310718), (172, 234845), (215, 187876), (260, 155359), (430, 93938), (559, 72260), (860, 46969), (1118, 36130), (2236, 18065), (2795, 14452), (3613, 11180), (5590, 7226)]