78595540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 172085760

約数和(自身を除く): 93490220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 1163, 2180, 2326, 3379, 4652, 5815, 6758, 11630, 13516, 16895, 23260, 33790, 36053, 67580, 72106, 126767, 144212, 180265, 253534, 360530, 507068, 633835, 721060, 1267670, 2535340, 3929777, 7859554, 15719108, 19648885, 39297770, 78595540]

約数ペア:

[(1, 78595540), (2, 39297770), (4, 19648885), (5, 15719108), (10, 7859554), (20, 3929777), (31, 2535340), (62, 1267670), (109, 721060), (124, 633835), (155, 507068), (218, 360530), (310, 253534), (436, 180265), (545, 144212), (620, 126767), (1090, 72106), (1163, 67580), (2180, 36053), (2326, 33790), (3379, 23260), (4652, 16895), (5815, 13516), (6758, 11630)]