12340120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 31500000

約数和(自身を除く): 19159880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1249, 1976, 2470, 2498, 4940, 4996, 6245, 9880, 9992, 12490, 16237, 23731, 24980, 32474, 47462, 49960, 64948, 81185, 94924, 118655, 129896, 162370, 189848, 237310, 308503, 324740, 474620, 617006, 649480, 949240, 1234012, 1542515, 2468024, 3085030, 6170060, 12340120]

約数ペア:

[(1, 12340120), (2, 6170060), (4, 3085030), (5, 2468024), (8, 1542515), (10, 1234012), (13, 949240), (19, 649480), (20, 617006), (26, 474620), (38, 324740), (40, 308503), (52, 237310), (65, 189848), (76, 162370), (95, 129896), (104, 118655), (130, 94924), (152, 81185), (190, 64948), (247, 49960), (260, 47462), (380, 32474), (494, 24980), (520, 23731), (760, 16237), (988, 12490), (1235, 9992), (1249, 9880), (1976, 6245), (2470, 4996), (2498, 4940)]