2912521960

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{219979}}^1$

素因数の和:220321

約数の個数: 32

約数和(自身を含む): 6573002400

約数和(自身を除く): 3660480440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 219979, 439958, 879916, 1099895, 1759832, 2199790, 4399580, 8799160, 72813049, 145626098, 291252196, 364065245, 582504392, 728130490, 1456260980, 2912521960]

約数ペア:

[(1, 2912521960), (2, 1456260980), (4, 728130490), (5, 582504392), (8, 364065245), (10, 291252196), (20, 145626098), (40, 72813049), (331, 8799160), (662, 4399580), (1324, 2199790), (1655, 1759832), (2648, 1099895), (3310, 879916), (6620, 439958), (13240, 219979)]