78301840

素因数分解:

$2^4\times 5^1\times {\mathrm{978773}}^1$

素因数の和:978786

約数の個数: 20

約数和(自身を含む): 182051964

約数和(自身を除く): 103750124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 978773, 1957546, 3915092, 4893865, 7830184, 9787730, 15660368, 19575460, 39150920, 78301840]

約数ペア:

[(1, 78301840), (2, 39150920), (4, 19575460), (5, 15660368), (8, 9787730), (10, 7830184), (16, 4893865), (20, 3915092), (40, 1957546), (80, 978773)]