40320878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{25423}}^1$

素因数の和:25499

約数の個数: 16

約数和(自身を含む): 66204096

約数和(自身を除く): 25883218

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 25423, 50846, 330499, 660998, 1550803, 3101606, 20160439, 40320878]

約数ペア:

[(1, 40320878), (2, 20160439), (13, 3101606), (26, 1550803), (61, 660998), (122, 330499), (793, 50846), (1586, 25423)]