40989910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13709}}^1$

素因数の和:13752

約数の個数: 32

約数和(自身を含む): 82918080

約数和(自身を除く): 41928170

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 13709, 27418, 68545, 137090, 178217, 315307, 356434, 630614, 891085, 1576535, 1782170, 3153070, 4098991, 8197982, 20494955, 40989910]

約数ペア:

[(1, 40989910), (2, 20494955), (5, 8197982), (10, 4098991), (13, 3153070), (23, 1782170), (26, 1576535), (46, 891085), (65, 630614), (115, 356434), (130, 315307), (230, 178217), (299, 137090), (598, 68545), (1495, 27418), (2990, 13709)]