61747240

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1997}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 139180680

約数和(自身を除く): 77433440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 1546, 1997, 3092, 3865, 3994, 6184, 7730, 7988, 9985, 15460, 15976, 19970, 30920, 39940, 79880, 1543681, 3087362, 6174724, 7718405, 12349448, 15436810, 30873620, 61747240]

約数ペア:

[(1, 61747240), (2, 30873620), (4, 15436810), (5, 12349448), (8, 7718405), (10, 6174724), (20, 3087362), (40, 1543681), (773, 79880), (1546, 39940), (1997, 30920), (3092, 19970), (3865, 15976), (3994, 15460), (6184, 9985), (7730, 7988)]