12656800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1250

約数の個数: 72

約数和(自身を含む): 33302556

約数和(自身を除く): 20645756

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1217, 1300, 2080, 2434, 2600, 4868, 5200, 6085, 9736, 10400, 12170, 15821, 19472, 24340, 30425, 31642, 38944, 48680, 60850, 63284, 79105, 97360, 121700, 126568, 158210, 194720, 243400, 253136, 316420, 395525, 486800, 506272, 632840, 791050, 973600, 1265680, 1582100, 2531360, 3164200, 6328400, 12656800]

約数ペア:

[(1, 12656800), (2, 6328400), (4, 3164200), (5, 2531360), (8, 1582100), (10, 1265680), (13, 973600), (16, 791050), (20, 632840), (25, 506272), (26, 486800), (32, 395525), (40, 316420), (50, 253136), (52, 243400), (65, 194720), (80, 158210), (100, 126568), (104, 121700), (130, 97360), (160, 79105), (200, 63284), (208, 60850), (260, 48680), (325, 38944), (400, 31642), (416, 30425), (520, 24340), (650, 19472), (800, 15821), (1040, 12170), (1217, 10400), (1300, 9736), (2080, 6085), (2434, 5200), (2600, 4868)]