77804917840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{840589}}^1$

素因数の和:840704

約数の個数: 80

約数和(自身を含む): 197000672400

約数和(自身を除く): 119195754560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2314, 3560, 4628, 5785, 7120, 9256, 11570, 18512, 23140, 46280, 92560, 840589, 1681178, 3362356, 4202945, 6724712, 8405890, 10927657, 13449424, 16811780, 21855314, 33623560, 43710628, 54638285, 67247120, 74812421, 87421256, 109276570, 149624842, 174842512, 218553140, 299249684, 374062105, 437106280, 598499368, 748124210, 874212560, 972561473, 1196998736, 1496248420, 1945122946, 2992496840, 3890245892, 4862807365, 5984993680, 7780491784, 9725614730, 15560983568, 19451229460, 38902458920, 77804917840]

約数ペア:

[(1, 77804917840), (2, 38902458920), (4, 19451229460), (5, 15560983568), (8, 9725614730), (10, 7780491784), (13, 5984993680), (16, 4862807365), (20, 3890245892), (26, 2992496840), (40, 1945122946), (52, 1496248420), (65, 1196998736), (80, 972561473), (89, 874212560), (104, 748124210), (130, 598499368), (178, 437106280), (208, 374062105), (260, 299249684), (356, 218553140), (445, 174842512), (520, 149624842), (712, 109276570), (890, 87421256), (1040, 74812421), (1157, 67247120), (1424, 54638285), (1780, 43710628), (2314, 33623560), (3560, 21855314), (4628, 16811780), (5785, 13449424), (7120, 10927657), (9256, 8405890), (11570, 6724712), (18512, 4202945), (23140, 3362356), (46280, 1681178), (92560, 840589)]