80366020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10831}}^1$

素因数の和:10900

約数の個数: 48

約数和(自身を含む): 196535808

約数和(自身を除く): 116169788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 10831, 21662, 43324, 54155, 75817, 108310, 151634, 216620, 303268, 379085, 574043, 758170, 1148086, 1516340, 2296172, 2870215, 4018301, 5740430, 8036602, 11480860, 16073204, 20091505, 40183010, 80366020]

約数ペア:

[(1, 80366020), (2, 40183010), (4, 20091505), (5, 16073204), (7, 11480860), (10, 8036602), (14, 5740430), (20, 4018301), (28, 2870215), (35, 2296172), (53, 1516340), (70, 1148086), (106, 758170), (140, 574043), (212, 379085), (265, 303268), (371, 216620), (530, 151634), (742, 108310), (1060, 75817), (1484, 54155), (1855, 43324), (3710, 21662), (7420, 10831)]