195874640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1483}}^1$

素因数の和:1636

約数の個数: 80

約数和(自身を含む): 494635008

約数和(自身を除く): 298760368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1483, 1651, 2032, 2540, 2966, 3302, 5080, 5932, 6604, 7415, 8255, 10160, 11864, 13208, 14830, 16510, 19279, 23728, 26416, 29660, 33020, 38558, 59320, 66040, 77116, 96395, 118640, 132080, 154232, 188341, 192790, 308464, 376682, 385580, 753364, 771160, 941705, 1506728, 1542320, 1883410, 2448433, 3013456, 3766820, 4896866, 7533640, 9793732, 12242165, 15067280, 19587464, 24484330, 39174928, 48968660, 97937320, 195874640]

約数ペア:

[(1, 195874640), (2, 97937320), (4, 48968660), (5, 39174928), (8, 24484330), (10, 19587464), (13, 15067280), (16, 12242165), (20, 9793732), (26, 7533640), (40, 4896866), (52, 3766820), (65, 3013456), (80, 2448433), (104, 1883410), (127, 1542320), (130, 1506728), (208, 941705), (254, 771160), (260, 753364), (508, 385580), (520, 376682), (635, 308464), (1016, 192790), (1040, 188341), (1270, 154232), (1483, 132080), (1651, 118640), (2032, 96395), (2540, 77116), (2966, 66040), (3302, 59320), (5080, 38558), (5932, 33020), (6604, 29660), (7415, 26416), (8255, 23728), (10160, 19279), (11864, 16510), (13208, 14830)]