38837698520

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1597}}^1\times {\mathrm{3359}}^1$

素因数の和:5148

約数の個数: 64

約数和(自身を含む): 87948806400

約数和(自身を除く): 49111107880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1597, 1810, 3194, 3359, 3620, 6388, 6718, 7240, 7985, 12776, 13436, 15970, 16795, 26872, 31940, 33590, 63880, 67180, 134360, 289057, 578114, 607979, 1156228, 1215958, 1445285, 2312456, 2431916, 2890570, 3039895, 4863832, 5364323, 5781140, 6079790, 10728646, 11562280, 12159580, 21457292, 24319160, 26821615, 42914584, 53643230, 107286460, 214572920, 970942463, 1941884926, 3883769852, 4854712315, 7767539704, 9709424630, 19418849260, 38837698520]

約数ペア:

[(1, 38837698520), (2, 19418849260), (4, 9709424630), (5, 7767539704), (8, 4854712315), (10, 3883769852), (20, 1941884926), (40, 970942463), (181, 214572920), (362, 107286460), (724, 53643230), (905, 42914584), (1448, 26821615), (1597, 24319160), (1810, 21457292), (3194, 12159580), (3359, 11562280), (3620, 10728646), (6388, 6079790), (6718, 5781140), (7240, 5364323), (7985, 4863832), (12776, 3039895), (13436, 2890570), (15970, 2431916), (16795, 2312456), (26872, 1445285), (31940, 1215958), (33590, 1156228), (63880, 607979), (67180, 578114), (134360, 289057)]