204075560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{653}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 496072080

約数和(自身を除く): 291996520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 601, 653, 1202, 1306, 2404, 2612, 3005, 3265, 4808, 5224, 6010, 6530, 7813, 8489, 12020, 13060, 15626, 16978, 24040, 26120, 31252, 33956, 39065, 42445, 62504, 67912, 78130, 84890, 156260, 169780, 312520, 339560, 392453, 784906, 1569812, 1962265, 3139624, 3924530, 5101889, 7849060, 10203778, 15698120, 20407556, 25509445, 40815112, 51018890, 102037780, 204075560]

約数ペア:

[(1, 204075560), (2, 102037780), (4, 51018890), (5, 40815112), (8, 25509445), (10, 20407556), (13, 15698120), (20, 10203778), (26, 7849060), (40, 5101889), (52, 3924530), (65, 3139624), (104, 1962265), (130, 1569812), (260, 784906), (520, 392453), (601, 339560), (653, 312520), (1202, 169780), (1306, 156260), (2404, 84890), (2612, 78130), (3005, 67912), (3265, 62504), (4808, 42445), (5224, 39065), (6010, 33956), (6530, 31252), (7813, 26120), (8489, 24040), (12020, 16978), (13060, 15626)]