78805180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 173365920

約数和(自身を除く): 94560740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 580, 830, 1637, 1660, 2407, 3274, 4814, 6548, 8185, 9628, 12035, 16370, 24070, 32740, 47473, 48140, 94946, 135871, 189892, 237365, 271742, 474730, 543484, 679355, 949460, 1358710, 2717420, 3940259, 7880518, 15761036, 19701295, 39402590, 78805180]

約数ペア:

[(1, 78805180), (2, 39402590), (4, 19701295), (5, 15761036), (10, 7880518), (20, 3940259), (29, 2717420), (58, 1358710), (83, 949460), (116, 679355), (145, 543484), (166, 474730), (290, 271742), (332, 237365), (415, 189892), (580, 135871), (830, 94946), (1637, 48140), (1660, 47473), (2407, 32740), (3274, 24070), (4814, 16370), (6548, 12035), (8185, 9628)]