128126480

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2203}}^1$

素因数の和:2943

約数の個数: 40

約数和(自身を含む): 298439232

約数和(自身を除く): 170312752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1454, 2203, 2908, 3635, 4406, 5816, 7270, 8812, 11015, 11632, 14540, 17624, 22030, 29080, 35248, 44060, 58160, 88120, 176240, 1601581, 3203162, 6406324, 8007905, 12812648, 16015810, 25625296, 32031620, 64063240, 128126480]

約数ペア:

[(1, 128126480), (2, 64063240), (4, 32031620), (5, 25625296), (8, 16015810), (10, 12812648), (16, 8007905), (20, 6406324), (40, 3203162), (80, 1601581), (727, 176240), (1454, 88120), (2203, 58160), (2908, 44060), (3635, 35248), (4406, 29080), (5816, 22030), (7270, 17624), (8812, 14540), (11015, 11632)]