788970040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{69697}}^1$

素因数の和:69991

約数の個数: 32

約数和(自身を含む): 1781480880

約数和(自身を除く): 992510840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 69697, 139394, 278788, 348485, 557576, 696970, 1393940, 2787880, 19724251, 39448502, 78897004, 98621255, 157794008, 197242510, 394485020, 788970040]

約数ペア:

[(1, 788970040), (2, 394485020), (4, 197242510), (5, 157794008), (8, 98621255), (10, 78897004), (20, 39448502), (40, 19724251), (283, 2787880), (566, 1393940), (1132, 696970), (1415, 557576), (2264, 348485), (2830, 278788), (5660, 139394), (11320, 69697)]