15271250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 40

約数和(自身を含む): 30177840

約数和(自身を除く): 14906590

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 643, 950, 1250, 1286, 2375, 3215, 4750, 6430, 11875, 12217, 16075, 23750, 24434, 32150, 61085, 80375, 122170, 160750, 305425, 401875, 610850, 803750, 1527125, 3054250, 7635625, 15271250]

約数ペア:

[(1, 15271250), (2, 7635625), (5, 3054250), (10, 1527125), (19, 803750), (25, 610850), (38, 401875), (50, 305425), (95, 160750), (125, 122170), (190, 80375), (250, 61085), (475, 32150), (625, 24434), (643, 23750), (950, 16075), (1250, 12217), (1286, 11875), (2375, 6430), (3215, 4750)]