64213780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 138184704

約数和(自身を除く): 73970924

約数列:

[1, 2, 4, 5, 10, 20, 83, 101, 166, 202, 332, 383, 404, 415, 505, 766, 830, 1010, 1532, 1660, 1915, 2020, 3830, 7660, 8383, 16766, 31789, 33532, 38683, 41915, 63578, 77366, 83830, 127156, 154732, 158945, 167660, 193415, 317890, 386830, 635780, 773660, 3210689, 6421378, 12842756, 16053445, 32106890, 64213780]

約数ペア:

[(1, 64213780), (2, 32106890), (4, 16053445), (5, 12842756), (10, 6421378), (20, 3210689), (83, 773660), (101, 635780), (166, 386830), (202, 317890), (332, 193415), (383, 167660), (404, 158945), (415, 154732), (505, 127156), (766, 83830), (830, 77366), (1010, 63578), (1532, 41915), (1660, 38683), (1915, 33532), (2020, 31789), (3830, 16766), (7660, 8383)]