51780704

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 106305696

約数和(自身を除く): 54524992

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 82, 122, 164, 244, 328, 488, 647, 656, 976, 1294, 1312, 1952, 2501, 2588, 5002, 5176, 10004, 10352, 20008, 20704, 26527, 39467, 40016, 53054, 78934, 80032, 106108, 157868, 212216, 315736, 424432, 631472, 848864, 1262944, 1618147, 3236294, 6472588, 12945176, 25890352, 51780704]

約数ペア:

[(1, 51780704), (2, 25890352), (4, 12945176), (8, 6472588), (16, 3236294), (32, 1618147), (41, 1262944), (61, 848864), (82, 631472), (122, 424432), (164, 315736), (244, 212216), (328, 157868), (488, 106108), (647, 80032), (656, 78934), (976, 53054), (1294, 40016), (1312, 39467), (1952, 26527), (2501, 20704), (2588, 20008), (5002, 10352), (5176, 10004)]