54269840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 132372480

約数和(自身を除く): 78102640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 277, 310, 316, 395, 496, 554, 620, 632, 790, 1108, 1240, 1264, 1385, 1580, 2216, 2449, 2480, 2770, 3160, 4432, 4898, 5540, 6320, 8587, 9796, 11080, 12245, 17174, 19592, 21883, 22160, 24490, 34348, 39184, 42935, 43766, 48980, 68696, 85870, 87532, 97960, 109415, 137392, 171740, 175064, 195920, 218830, 343480, 350128, 437660, 678373, 686960, 875320, 1356746, 1750640, 2713492, 3391865, 5426984, 6783730, 10853968, 13567460, 27134920, 54269840]

約数ペア:

[(1, 54269840), (2, 27134920), (4, 13567460), (5, 10853968), (8, 6783730), (10, 5426984), (16, 3391865), (20, 2713492), (31, 1750640), (40, 1356746), (62, 875320), (79, 686960), (80, 678373), (124, 437660), (155, 350128), (158, 343480), (248, 218830), (277, 195920), (310, 175064), (316, 171740), (395, 137392), (496, 109415), (554, 97960), (620, 87532), (632, 85870), (790, 68696), (1108, 48980), (1240, 43766), (1264, 42935), (1385, 39184), (1580, 34348), (2216, 24490), (2449, 22160), (2480, 21883), (2770, 19592), (3160, 17174), (4432, 12245), (4898, 11080), (5540, 9796), (6320, 8587)]