25806560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:700

約数の個数: 96

約数和(自身を含む): 69219360

約数和(自身を除く): 43412800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 653, 760, 988, 1040, 1235, 1306, 1520, 1976, 2080, 2470, 2612, 3040, 3265, 3952, 4940, 5224, 6530, 7904, 8489, 9880, 10448, 12407, 13060, 16978, 19760, 20896, 24814, 26120, 33956, 39520, 42445, 49628, 52240, 62035, 67912, 84890, 99256, 104480, 124070, 135824, 161291, 169780, 198512, 248140, 271648, 322582, 339560, 397024, 496280, 645164, 679120, 806455, 992560, 1290328, 1358240, 1612910, 1985120, 2580656, 3225820, 5161312, 6451640, 12903280, 25806560]

約数ペア:

[(1, 25806560), (2, 12903280), (4, 6451640), (5, 5161312), (8, 3225820), (10, 2580656), (13, 1985120), (16, 1612910), (19, 1358240), (20, 1290328), (26, 992560), (32, 806455), (38, 679120), (40, 645164), (52, 496280), (65, 397024), (76, 339560), (80, 322582), (95, 271648), (104, 248140), (130, 198512), (152, 169780), (160, 161291), (190, 135824), (208, 124070), (247, 104480), (260, 99256), (304, 84890), (380, 67912), (416, 62035), (494, 52240), (520, 49628), (608, 42445), (653, 39520), (760, 33956), (988, 26120), (1040, 24814), (1235, 20896), (1306, 19760), (1520, 16978), (1976, 13060), (2080, 12407), (2470, 10448), (2612, 9880), (3040, 8489), (3265, 7904), (3952, 6530), (4940, 5224)]