411481520

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21521}}^1$

素因数の和:21773

約数の個数: 40

約数和(自身を含む): 960742080

約数和(自身を除く): 549260560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 21521, 43042, 86084, 107605, 172168, 215210, 344336, 430420, 860840, 1721680, 5143519, 10287038, 20574076, 25717595, 41148152, 51435190, 82296304, 102870380, 205740760, 411481520]

約数ペア:

[(1, 411481520), (2, 205740760), (4, 102870380), (5, 82296304), (8, 51435190), (10, 41148152), (16, 25717595), (20, 20574076), (40, 10287038), (80, 5143519), (239, 1721680), (478, 860840), (956, 430420), (1195, 344336), (1912, 215210), (2390, 172168), (3824, 107605), (4780, 86084), (9560, 43042), (19120, 21521)]