40264720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 99279360

約数和(自身を除く): 59014640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 277, 316, 368, 395, 460, 554, 632, 790, 920, 1108, 1264, 1385, 1580, 1817, 1840, 2216, 2770, 3160, 3634, 4432, 5540, 6320, 6371, 7268, 9085, 11080, 12742, 14536, 18170, 21883, 22160, 25484, 29072, 31855, 36340, 43766, 50968, 63710, 72680, 87532, 101936, 109415, 127420, 145360, 175064, 218830, 254840, 350128, 437660, 503309, 509680, 875320, 1006618, 1750640, 2013236, 2516545, 4026472, 5033090, 8052944, 10066180, 20132360, 40264720]

約数ペア:

[(1, 40264720), (2, 20132360), (4, 10066180), (5, 8052944), (8, 5033090), (10, 4026472), (16, 2516545), (20, 2013236), (23, 1750640), (40, 1006618), (46, 875320), (79, 509680), (80, 503309), (92, 437660), (115, 350128), (158, 254840), (184, 218830), (230, 175064), (277, 145360), (316, 127420), (368, 109415), (395, 101936), (460, 87532), (554, 72680), (632, 63710), (790, 50968), (920, 43766), (1108, 36340), (1264, 31855), (1385, 29072), (1580, 25484), (1817, 22160), (1840, 21883), (2216, 18170), (2770, 14536), (3160, 12742), (3634, 11080), (4432, 9085), (5540, 7268), (6320, 6371)]