23807720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 31712920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 101, 142, 166, 202, 284, 332, 355, 404, 415, 505, 568, 664, 710, 808, 830, 1010, 1420, 1660, 2020, 2840, 3320, 4040, 5893, 7171, 8383, 11786, 14342, 16766, 23572, 28684, 29465, 33532, 35855, 41915, 47144, 57368, 58930, 67064, 71710, 83830, 117860, 143420, 167660, 235720, 286840, 335320, 595193, 1190386, 2380772, 2975965, 4761544, 5951930, 11903860, 23807720]

約数ペア:

[(1, 23807720), (2, 11903860), (4, 5951930), (5, 4761544), (8, 2975965), (10, 2380772), (20, 1190386), (40, 595193), (71, 335320), (83, 286840), (101, 235720), (142, 167660), (166, 143420), (202, 117860), (284, 83830), (332, 71710), (355, 67064), (404, 58930), (415, 57368), (505, 47144), (568, 41915), (664, 35855), (710, 33532), (808, 29465), (830, 28684), (1010, 23572), (1420, 16766), (1660, 14342), (2020, 11786), (2840, 8383), (3320, 7171), (4040, 5893)]