855366980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{32573}}^1$

素因数の和:32696

約数の個数: 48

約数和(自身を含む): 1953658224

約数和(自身を除く): 1098291244

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, 32573, 65146, 130292, 162865, 325730, 423449, 651460, 846898, 1693796, 2117245, 3289873, 4234490, 6579746, 8468980, 13159492, 16449365, 32898730, 42768349, 65797460, 85536698, 171073396, 213841745, 427683490, 855366980]

約数ペア:

[(1, 855366980), (2, 427683490), (4, 213841745), (5, 171073396), (10, 85536698), (13, 65797460), (20, 42768349), (26, 32898730), (52, 16449365), (65, 13159492), (101, 8468980), (130, 6579746), (202, 4234490), (260, 3289873), (404, 2117245), (505, 1693796), (1010, 846898), (1313, 651460), (2020, 423449), (2626, 325730), (5252, 162865), (6565, 130292), (13130, 65146), (26260, 32573)]