12783550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 26060832

約数和(自身を除く): 13277282

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 277, 325, 355, 554, 650, 710, 923, 1385, 1775, 1846, 2770, 3550, 3601, 4615, 6925, 7202, 9230, 13850, 18005, 19667, 23075, 36010, 39334, 46150, 90025, 98335, 180050, 196670, 255671, 491675, 511342, 983350, 1278355, 2556710, 6391775, 12783550]

約数ペア:

[(1, 12783550), (2, 6391775), (5, 2556710), (10, 1278355), (13, 983350), (25, 511342), (26, 491675), (50, 255671), (65, 196670), (71, 180050), (130, 98335), (142, 90025), (277, 46150), (325, 39334), (355, 36010), (554, 23075), (650, 19667), (710, 18005), (923, 13850), (1385, 9230), (1775, 7202), (1846, 6925), (2770, 4615), (3550, 3601)]