40267880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12743}}^1$

素因数の和:12833

約数の個数: 32

約数和(自身を含む): 91756800

約数和(自身を除く): 51488920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12743, 25486, 50972, 63715, 101944, 127430, 254860, 509720, 1006697, 2013394, 4026788, 5033485, 8053576, 10066970, 20133940, 40267880]

約数ペア:

[(1, 40267880), (2, 20133940), (4, 10066970), (5, 8053576), (8, 5033485), (10, 4026788), (20, 2013394), (40, 1006697), (79, 509720), (158, 254860), (316, 127430), (395, 101944), (632, 63715), (790, 50972), (1580, 25486), (3160, 12743)]