125242760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{51329}}^1$

素因数の和:51401

約数の個数: 32

約数和(自身を含む): 286421400

約数和(自身を除く): 161178640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 51329, 102658, 205316, 256645, 410632, 513290, 1026580, 2053160, 3131069, 6262138, 12524276, 15655345, 25048552, 31310690, 62621380, 125242760]

約数ペア:

[(1, 125242760), (2, 62621380), (4, 31310690), (5, 25048552), (8, 15655345), (10, 12524276), (20, 6262138), (40, 3131069), (61, 2053160), (122, 1026580), (244, 513290), (305, 410632), (488, 256645), (610, 205316), (1220, 102658), (2440, 51329)]