1036639580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 2210544000

約数和(自身を除く): 1173904420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 509, 790, 1018, 1289, 1580, 2036, 2545, 2578, 5090, 5156, 6445, 10180, 12890, 25780, 40211, 80422, 101831, 160844, 201055, 203662, 402110, 407324, 509155, 656101, 804220, 1018310, 1312202, 2036620, 2624404, 3280505, 6561010, 13122020, 51831979, 103663958, 207327916, 259159895, 518319790, 1036639580]

約数ペア:

[(1, 1036639580), (2, 518319790), (4, 259159895), (5, 207327916), (10, 103663958), (20, 51831979), (79, 13122020), (158, 6561010), (316, 3280505), (395, 2624404), (509, 2036620), (790, 1312202), (1018, 1018310), (1289, 804220), (1580, 656101), (2036, 509155), (2545, 407324), (2578, 402110), (5090, 203662), (5156, 201055), (6445, 160844), (10180, 101831), (12890, 80422), (25780, 40211)]