2018684980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{76873}}^1$

素因数の和:76996

約数の個数: 48

約数和(自身を含む): 4610595024

約数和(自身を除く): 2591910044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 26260, 76873, 153746, 307492, 384365, 768730, 999349, 1537460, 1998698, 3997396, 4996745, 7764173, 9993490, 15528346, 19986980, 31056692, 38820865, 77641730, 100934249, 155283460, 201868498, 403736996, 504671245, 1009342490, 2018684980]

約数ペア:

[(1, 2018684980), (2, 1009342490), (4, 504671245), (5, 403736996), (10, 201868498), (13, 155283460), (20, 100934249), (26, 77641730), (52, 38820865), (65, 31056692), (101, 19986980), (130, 15528346), (202, 9993490), (260, 7764173), (404, 4996745), (505, 3997396), (1010, 1998698), (1313, 1537460), (2020, 999349), (2626, 768730), (5252, 384365), (6565, 307492), (13130, 153746), (26260, 76873)]