57791960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 134719200

約数和(自身を除く): 76927240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 269, 328, 410, 524, 538, 655, 820, 1048, 1076, 1310, 1345, 1640, 2152, 2620, 2690, 5240, 5371, 5380, 10742, 10760, 11029, 21484, 22058, 26855, 35239, 42968, 44116, 53710, 55145, 70478, 88232, 107420, 110290, 140956, 176195, 214840, 220580, 281912, 352390, 441160, 704780, 1409560, 1444799, 2889598, 5779196, 7223995, 11558392, 14447990, 28895980, 57791960]

約数ペア:

[(1, 57791960), (2, 28895980), (4, 14447990), (5, 11558392), (8, 7223995), (10, 5779196), (20, 2889598), (40, 1444799), (41, 1409560), (82, 704780), (131, 441160), (164, 352390), (205, 281912), (262, 220580), (269, 214840), (328, 176195), (410, 140956), (524, 110290), (538, 107420), (655, 88232), (820, 70478), (1048, 55145), (1076, 53710), (1310, 44116), (1345, 42968), (1640, 35239), (2152, 26855), (2620, 22058), (2690, 21484), (5240, 11029), (5371, 10760), (5380, 10742)]