18262000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 46193472

約数和(自身を除く): 27931472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 397, 400, 460, 500, 575, 794, 920, 1000, 1150, 1588, 1840, 1985, 2000, 2300, 2875, 3176, 3970, 4600, 5750, 6352, 7940, 9131, 9200, 9925, 11500, 15880, 18262, 19850, 23000, 31760, 36524, 39700, 45655, 46000, 49625, 73048, 79400, 91310, 99250, 146096, 158800, 182620, 198500, 228275, 365240, 397000, 456550, 730480, 794000, 913100, 1141375, 1826200, 2282750, 3652400, 4565500, 9131000, 18262000]

約数ペア:

[(1, 18262000), (2, 9131000), (4, 4565500), (5, 3652400), (8, 2282750), (10, 1826200), (16, 1141375), (20, 913100), (23, 794000), (25, 730480), (40, 456550), (46, 397000), (50, 365240), (80, 228275), (92, 198500), (100, 182620), (115, 158800), (125, 146096), (184, 99250), (200, 91310), (230, 79400), (250, 73048), (368, 49625), (397, 46000), (400, 45655), (460, 39700), (500, 36524), (575, 31760), (794, 23000), (920, 19850), (1000, 18262), (1150, 15880), (1588, 11500), (1840, 9925), (1985, 9200), (2000, 9131), (2300, 7940), (2875, 6352), (3176, 5750), (3970, 4600)]