81084421375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{3739}}^1$

素因数の和:4193

約数の個数: 64

約数和(自身を含む): 111460377600

約数和(自身を除く): 30375956225

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 397, 437, 475, 575, 1985, 2185, 2375, 2875, 3739, 7543, 9131, 9925, 10925, 18695, 37715, 45655, 49625, 54625, 71041, 85997, 93475, 173489, 188575, 228275, 355205, 429985, 467375, 867445, 942875, 1141375, 1484383, 1633943, 1776025, 2149925, 4337225, 7421915, 8169715, 8880125, 10749625, 21686125, 28203277, 34140809, 37109575, 40848575, 141016385, 170704045, 185547875, 204242875, 648675371, 705081925, 853520225, 3243376855, 3525409625, 4267601125, 16216884275, 81084421375]

約数ペア:

[(1, 81084421375), (5, 16216884275), (19, 4267601125), (23, 3525409625), (25, 3243376855), (95, 853520225), (115, 705081925), (125, 648675371), (397, 204242875), (437, 185547875), (475, 170704045), (575, 141016385), (1985, 40848575), (2185, 37109575), (2375, 34140809), (2875, 28203277), (3739, 21686125), (7543, 10749625), (9131, 8880125), (9925, 8169715), (10925, 7421915), (18695, 4337225), (37715, 2149925), (45655, 1776025), (49625, 1633943), (54625, 1484383), (71041, 1141375), (85997, 942875), (93475, 867445), (173489, 467375), (188575, 429985), (228275, 355205)]