78642012010

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5669}}^1\times {\mathrm{6971}}^1$

素因数の和:12846

約数の個数: 32

約数和(自身を含む): 142312464000

約数和(自身を除く): 63670451990

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 5669, 6971, 11338, 13942, 28345, 34855, 56690, 69710, 1128131, 1387229, 2256262, 2774458, 5640655, 6936145, 11281310, 13872290, 39518599, 79037198, 197592995, 395185990, 7864201201, 15728402402, 39321006005, 78642012010]

約数ペア:

[(1, 78642012010), (2, 39321006005), (5, 15728402402), (10, 7864201201), (199, 395185990), (398, 197592995), (995, 79037198), (1990, 39518599), (5669, 13872290), (6971, 11281310), (11338, 6936145), (13942, 5640655), (28345, 2774458), (34855, 2256262), (56690, 1387229), (69710, 1128131)]