16653440

素因数分解:

$2^7\times 5^1\times {\mathrm{26021}}^1$

素因数の和:26040

約数の個数: 32

約数和(自身を含む): 39813660

約数和(自身を除く): 23160220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 26021, 52042, 104084, 130105, 208168, 260210, 416336, 520420, 832672, 1040840, 1665344, 2081680, 3330688, 4163360, 8326720, 16653440]

約数ペア:

[(1, 16653440), (2, 8326720), (4, 4163360), (5, 3330688), (8, 2081680), (10, 1665344), (16, 1040840), (20, 832672), (32, 520420), (40, 416336), (64, 260210), (80, 208168), (128, 130105), (160, 104084), (320, 52042), (640, 26021)]