13308500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 16481260

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 619, 860, 1075, 1238, 2150, 2476, 3095, 4300, 5375, 6190, 10750, 12380, 15475, 21500, 26617, 30950, 53234, 61900, 77375, 106468, 133085, 154750, 266170, 309500, 532340, 665425, 1330850, 2661700, 3327125, 6654250, 13308500]

約数ペア:

[(1, 13308500), (2, 6654250), (4, 3327125), (5, 2661700), (10, 1330850), (20, 665425), (25, 532340), (43, 309500), (50, 266170), (86, 154750), (100, 133085), (125, 106468), (172, 77375), (215, 61900), (250, 53234), (430, 30950), (500, 26617), (619, 21500), (860, 15475), (1075, 12380), (1238, 10750), (2150, 6190), (2476, 5375), (3095, 4300)]