80893640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 193060800

約数和(自身を除く): 112167160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 653, 760, 815, 1304, 1306, 1630, 2612, 3097, 3260, 3265, 5224, 6194, 6520, 6530, 12388, 12407, 13060, 15485, 24776, 24814, 26120, 30970, 49628, 61940, 62035, 99256, 106439, 123880, 124070, 212878, 248140, 425756, 496280, 532195, 851512, 1064390, 2022341, 2128780, 4044682, 4257560, 8089364, 10111705, 16178728, 20223410, 40446820, 80893640]

約数ペア:

[(1, 80893640), (2, 40446820), (4, 20223410), (5, 16178728), (8, 10111705), (10, 8089364), (19, 4257560), (20, 4044682), (38, 2128780), (40, 2022341), (76, 1064390), (95, 851512), (152, 532195), (163, 496280), (190, 425756), (326, 248140), (380, 212878), (652, 124070), (653, 123880), (760, 106439), (815, 99256), (1304, 62035), (1306, 61940), (1630, 49628), (2612, 30970), (3097, 26120), (3260, 24814), (3265, 24776), (5224, 15485), (6194, 13060), (6520, 12407), (6530, 12388)]