13191100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 31473680

約数和(自身を除く): 18282580

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 139, 146, 260, 278, 292, 325, 365, 556, 650, 695, 730, 949, 1300, 1390, 1460, 1807, 1825, 1898, 2780, 3475, 3614, 3650, 3796, 4745, 6950, 7228, 7300, 9035, 9490, 10147, 13900, 18070, 18980, 20294, 23725, 36140, 40588, 45175, 47450, 50735, 90350, 94900, 101470, 131911, 180700, 202940, 253675, 263822, 507350, 527644, 659555, 1014700, 1319110, 2638220, 3297775, 6595550, 13191100]

約数ペア:

[(1, 13191100), (2, 6595550), (4, 3297775), (5, 2638220), (10, 1319110), (13, 1014700), (20, 659555), (25, 527644), (26, 507350), (50, 263822), (52, 253675), (65, 202940), (73, 180700), (100, 131911), (130, 101470), (139, 94900), (146, 90350), (260, 50735), (278, 47450), (292, 45175), (325, 40588), (365, 36140), (556, 23725), (650, 20294), (695, 18980), (730, 18070), (949, 13900), (1300, 10147), (1390, 9490), (1460, 9035), (1807, 7300), (1825, 7228), (1898, 6950), (2780, 4745), (3475, 3796), (3614, 3650)]