90445550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 182144592

約数和(自身を除く): 91699042

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 347, 401, 650, 694, 802, 1735, 2005, 3470, 4010, 4511, 5213, 8675, 9022, 10025, 10426, 17350, 20050, 22555, 26065, 45110, 52130, 112775, 130325, 139147, 225550, 260650, 278294, 695735, 1391470, 1808911, 3478675, 3617822, 6957350, 9044555, 18089110, 45222775, 90445550]

約数ペア:

[(1, 90445550), (2, 45222775), (5, 18089110), (10, 9044555), (13, 6957350), (25, 3617822), (26, 3478675), (50, 1808911), (65, 1391470), (130, 695735), (325, 278294), (347, 260650), (401, 225550), (650, 139147), (694, 130325), (802, 112775), (1735, 52130), (2005, 45110), (3470, 26065), (4010, 22555), (4511, 20050), (5213, 17350), (8675, 10426), (9022, 10025)]