2128049300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1636961}}^1$

素因数の和:1636988

約数の個数: 36

約数和(自身を含む): 4973090556

約数和(自身を除く): 2845041256

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1636961, 3273922, 6547844, 8184805, 16369610, 21280493, 32739220, 40924025, 42560986, 81848050, 85121972, 106402465, 163696100, 212804930, 425609860, 532012325, 1064024650, 2128049300]

約数ペア:

[(1, 2128049300), (2, 1064024650), (4, 532012325), (5, 425609860), (10, 212804930), (13, 163696100), (20, 106402465), (25, 85121972), (26, 81848050), (50, 42560986), (52, 40924025), (65, 32739220), (100, 21280493), (130, 16369610), (260, 8184805), (325, 6547844), (650, 3273922), (1300, 1636961)]