1142760440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{921581}}^1$

素因数の和:921623

約数の個数: 32

約数和(自身を含む): 2654156160

約数和(自身を除く): 1511395720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 921581, 1843162, 3686324, 4607905, 7372648, 9215810, 18431620, 28569011, 36863240, 57138022, 114276044, 142845055, 228552088, 285690110, 571380220, 1142760440]

約数ペア:

[(1, 1142760440), (2, 571380220), (4, 285690110), (5, 228552088), (8, 142845055), (10, 114276044), (20, 57138022), (31, 36863240), (40, 28569011), (62, 18431620), (124, 9215810), (155, 7372648), (248, 4607905), (310, 3686324), (620, 1843162), (1240, 921581)]