40809964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21211}}^1$

素因数の和:21265

約数の個数: 24

約数和(自身を含む): 78993488

約数和(自身を除く): 38183524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 21211, 42422, 84844, 275743, 551486, 784807, 1102972, 1569614, 3139228, 10202491, 20404982, 40809964]

約数ペア:

[(1, 40809964), (2, 20404982), (4, 10202491), (13, 3139228), (26, 1569614), (37, 1102972), (52, 784807), (74, 551486), (148, 275743), (481, 84844), (962, 42422), (1924, 21211)]