1640971700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{400237}}^1$

素因数の和:400292

約数の個数: 36

約数和(自身を含む): 3647769132

約数和(自身を除く): 2006797432

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 400237, 800474, 1600948, 2001185, 4002370, 8004740, 10005925, 16409717, 20011850, 32819434, 40023700, 65638868, 82048585, 164097170, 328194340, 410242925, 820485850, 1640971700]

約数ペア:

[(1, 1640971700), (2, 820485850), (4, 410242925), (5, 328194340), (10, 164097170), (20, 82048585), (25, 65638868), (41, 40023700), (50, 32819434), (82, 20011850), (100, 16409717), (164, 10005925), (205, 8004740), (410, 4002370), (820, 2001185), (1025, 1600948), (2050, 800474), (4100, 400237)]