8177874160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1\times {\mathrm{2179}}^1$

素因数の和:3326

約数の個数: 80

約数和(自身を含む): 19482503040

約数和(自身を除く): 11304628880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1091, 1720, 2179, 2182, 3440, 4358, 4364, 5455, 8716, 8728, 10895, 10910, 17432, 17456, 21790, 21820, 34864, 43580, 43640, 46913, 87160, 87280, 93697, 93826, 174320, 187394, 187652, 234565, 374788, 375304, 468485, 469130, 749576, 750608, 936970, 938260, 1499152, 1873940, 1876520, 2377289, 3747880, 3753040, 4754578, 7495760, 9509156, 11886445, 19018312, 23772890, 38036624, 47545780, 95091560, 102223427, 190183120, 204446854, 408893708, 511117135, 817787416, 1022234270, 1635574832, 2044468540, 4088937080, 8177874160]

約数ペア:

[(1, 8177874160), (2, 4088937080), (4, 2044468540), (5, 1635574832), (8, 1022234270), (10, 817787416), (16, 511117135), (20, 408893708), (40, 204446854), (43, 190183120), (80, 102223427), (86, 95091560), (172, 47545780), (215, 38036624), (344, 23772890), (430, 19018312), (688, 11886445), (860, 9509156), (1091, 7495760), (1720, 4754578), (2179, 3753040), (2182, 3747880), (3440, 2377289), (4358, 1876520), (4364, 1873940), (5455, 1499152), (8716, 938260), (8728, 936970), (10895, 750608), (10910, 749576), (17432, 469130), (17456, 468485), (21790, 375304), (21820, 374788), (34864, 234565), (43580, 187652), (43640, 187394), (46913, 174320), (87160, 93826), (87280, 93697)]