81668750

素因数分解:

$2^1\times 5^5\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 156083760

約数和(自身を除く): 74415010

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 179, 250, 358, 365, 625, 730, 895, 1250, 1790, 1825, 3125, 3650, 4475, 6250, 8950, 9125, 13067, 18250, 22375, 26134, 44750, 45625, 65335, 91250, 111875, 130670, 223750, 228125, 326675, 456250, 559375, 653350, 1118750, 1633375, 3266750, 8166875, 16333750, 40834375, 81668750]

約数ペア:

[(1, 81668750), (2, 40834375), (5, 16333750), (10, 8166875), (25, 3266750), (50, 1633375), (73, 1118750), (125, 653350), (146, 559375), (179, 456250), (250, 326675), (358, 228125), (365, 223750), (625, 130670), (730, 111875), (895, 91250), (1250, 65335), (1790, 45625), (1825, 44750), (3125, 26134), (3650, 22375), (4475, 18250), (6250, 13067), (8950, 9125)]