49948540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 107614080

約数和(自身を除く): 57665540

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 313, 316, 395, 404, 505, 626, 790, 1010, 1252, 1565, 1580, 2020, 3130, 6260, 7979, 15958, 24727, 31613, 31916, 39895, 49454, 63226, 79790, 98908, 123635, 126452, 158065, 159580, 247270, 316130, 494540, 632260, 2497427, 4994854, 9989708, 12487135, 24974270, 49948540]

約数ペア:

[(1, 49948540), (2, 24974270), (4, 12487135), (5, 9989708), (10, 4994854), (20, 2497427), (79, 632260), (101, 494540), (158, 316130), (202, 247270), (313, 159580), (316, 158065), (395, 126452), (404, 123635), (505, 98908), (626, 79790), (790, 63226), (1010, 49454), (1252, 39895), (1565, 31916), (1580, 31613), (2020, 24727), (3130, 15958), (6260, 7979)]