3991520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 10795680

約数和(自身を除く): 6804160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 101, 104, 130, 152, 160, 190, 202, 208, 247, 260, 304, 380, 404, 416, 494, 505, 520, 608, 760, 808, 988, 1010, 1040, 1235, 1313, 1520, 1616, 1919, 1976, 2020, 2080, 2470, 2626, 3040, 3232, 3838, 3952, 4040, 4940, 5252, 6565, 7676, 7904, 8080, 9595, 9880, 10504, 13130, 15352, 16160, 19190, 19760, 21008, 24947, 26260, 30704, 38380, 39520, 42016, 49894, 52520, 61408, 76760, 99788, 105040, 124735, 153520, 199576, 210080, 249470, 307040, 399152, 498940, 798304, 997880, 1995760, 3991520]

約数ペア:

[(1, 3991520), (2, 1995760), (4, 997880), (5, 798304), (8, 498940), (10, 399152), (13, 307040), (16, 249470), (19, 210080), (20, 199576), (26, 153520), (32, 124735), (38, 105040), (40, 99788), (52, 76760), (65, 61408), (76, 52520), (80, 49894), (95, 42016), (101, 39520), (104, 38380), (130, 30704), (152, 26260), (160, 24947), (190, 21008), (202, 19760), (208, 19190), (247, 16160), (260, 15352), (304, 13130), (380, 10504), (404, 9880), (416, 9595), (494, 8080), (505, 7904), (520, 7676), (608, 6565), (760, 5252), (808, 4940), (988, 4040), (1010, 3952), (1040, 3838), (1235, 3232), (1313, 3040), (1520, 2626), (1616, 2470), (1919, 2080), (1976, 2020)]