16271960

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1229}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 36752400

約数和(自身を除く): 20480440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1229, 1324, 1655, 2458, 2648, 3310, 4916, 6145, 6620, 9832, 12290, 13240, 24580, 49160, 406799, 813598, 1627196, 2033995, 3254392, 4067990, 8135980, 16271960]

約数ペア:

[(1, 16271960), (2, 8135980), (4, 4067990), (5, 3254392), (8, 2033995), (10, 1627196), (20, 813598), (40, 406799), (331, 49160), (662, 24580), (1229, 13240), (1324, 12290), (1655, 9832), (2458, 6620), (2648, 6145), (3310, 4916)]