8781199840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1120051}}^1$

素因数の和:1120080

約数の個数: 72

約数和(自身を含む): 24132640392

約数和(自身を除く): 15351440552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 1120051, 2240102, 4480204, 5600255, 7840357, 8960408, 11200510, 15680714, 17920816, 22401020, 31361428, 35841632, 39201785, 44802040, 54882499, 62722856, 78403570, 89604080, 109764998, 125445712, 156807140, 179208160, 219529996, 250891424, 274412495, 313614280, 439059992, 548824990, 627228560, 878119984, 1097649980, 1254457120, 1756239968, 2195299960, 4390599920, 8781199840]

約数ペア:

[(1, 8781199840), (2, 4390599920), (4, 2195299960), (5, 1756239968), (7, 1254457120), (8, 1097649980), (10, 878119984), (14, 627228560), (16, 548824990), (20, 439059992), (28, 313614280), (32, 274412495), (35, 250891424), (40, 219529996), (49, 179208160), (56, 156807140), (70, 125445712), (80, 109764998), (98, 89604080), (112, 78403570), (140, 62722856), (160, 54882499), (196, 44802040), (224, 39201785), (245, 35841632), (280, 31361428), (392, 22401020), (490, 17920816), (560, 15680714), (784, 11200510), (980, 8960408), (1120, 7840357), (1568, 5600255), (1960, 4480204), (3920, 2240102), (7840, 1120051)]