70518440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28901}}^1$

素因数の和:28973

約数の個数: 32

約数和(自身を含む): 161273160

約数和(自身を除く): 90754720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 28901, 57802, 115604, 144505, 231208, 289010, 578020, 1156040, 1762961, 3525922, 7051844, 8814805, 14103688, 17629610, 35259220, 70518440]

約数ペア:

[(1, 70518440), (2, 35259220), (4, 17629610), (5, 14103688), (8, 8814805), (10, 7051844), (20, 3525922), (40, 1762961), (61, 1156040), (122, 578020), (244, 289010), (305, 231208), (488, 144505), (610, 115604), (1220, 57802), (2440, 28901)]