25456060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 35931140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 521, 698, 1042, 1396, 1745, 2084, 2443, 2605, 3490, 3647, 4886, 5210, 6980, 7294, 9772, 10420, 12215, 14588, 18235, 24430, 36470, 48860, 72940, 181829, 363658, 727316, 909145, 1272803, 1818290, 2545606, 3636580, 5091212, 6364015, 12728030, 25456060]

約数ペア:

[(1, 25456060), (2, 12728030), (4, 6364015), (5, 5091212), (7, 3636580), (10, 2545606), (14, 1818290), (20, 1272803), (28, 909145), (35, 727316), (70, 363658), (140, 181829), (349, 72940), (521, 48860), (698, 36470), (1042, 24430), (1396, 18235), (1745, 14588), (2084, 12215), (2443, 10420), (2605, 9772), (3490, 7294), (3647, 6980), (4886, 5210)]