1268110370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{4003}}^1$

素因数の和:4490

約数の個数: 32

約数和(自身を含む): 2317835520

約数和(自身を除く): 1049725150

約数列:

[1, 2, 5, 10, 79, 158, 395, 401, 790, 802, 2005, 4003, 4010, 8006, 20015, 31679, 40030, 63358, 158395, 316237, 316790, 632474, 1581185, 1605203, 3162370, 3210406, 8026015, 16052030, 126811037, 253622074, 634055185, 1268110370]

約数ペア:

[(1, 1268110370), (2, 634055185), (5, 253622074), (10, 126811037), (79, 16052030), (158, 8026015), (395, 3210406), (401, 3162370), (790, 1605203), (802, 1581185), (2005, 632474), (4003, 316790), (4010, 316237), (8006, 158395), (20015, 63358), (31679, 40030)]