121413080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70589}}^1$

素因数の和:70643

約数の個数: 32

約数和(自身を含む): 279536400

約数和(自身を除く): 158123320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 70589, 141178, 282356, 352945, 564712, 705890, 1411780, 2823560, 3035327, 6070654, 12141308, 15176635, 24282616, 30353270, 60706540, 121413080]

約数ペア:

[(1, 121413080), (2, 60706540), (4, 30353270), (5, 24282616), (8, 15176635), (10, 12141308), (20, 6070654), (40, 3035327), (43, 2823560), (86, 1411780), (172, 705890), (215, 564712), (344, 352945), (430, 282356), (860, 141178), (1720, 70589)]