81541000

素因数分解:

$2^3\times 5^3\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1211

約数の個数: 64

約数和(自身を含む): 193592880

約数和(自身を除く): 112051880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 125, 146, 200, 250, 292, 365, 500, 584, 730, 1000, 1117, 1460, 1825, 2234, 2920, 3650, 4468, 5585, 7300, 8936, 9125, 11170, 14600, 18250, 22340, 27925, 36500, 44680, 55850, 73000, 81541, 111700, 139625, 163082, 223400, 279250, 326164, 407705, 558500, 652328, 815410, 1117000, 1630820, 2038525, 3261640, 4077050, 8154100, 10192625, 16308200, 20385250, 40770500, 81541000]

約数ペア:

[(1, 81541000), (2, 40770500), (4, 20385250), (5, 16308200), (8, 10192625), (10, 8154100), (20, 4077050), (25, 3261640), (40, 2038525), (50, 1630820), (73, 1117000), (100, 815410), (125, 652328), (146, 558500), (200, 407705), (250, 326164), (292, 279250), (365, 223400), (500, 163082), (584, 139625), (730, 111700), (1000, 81541), (1117, 73000), (1460, 55850), (1825, 44680), (2234, 36500), (2920, 27925), (3650, 22340), (4468, 18250), (5585, 14600), (7300, 11170), (8936, 9125)]