332842640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{320041}}^1$

素因数の和:320067

約数の個数: 40

約数和(自身を含む): 833389368

約数和(自身を除く): 500546728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 320041, 640082, 1280164, 1600205, 2560328, 3200410, 4160533, 5120656, 6400820, 8321066, 12801640, 16642132, 20802665, 25603280, 33284264, 41605330, 66568528, 83210660, 166421320, 332842640]

約数ペア:

[(1, 332842640), (2, 166421320), (4, 83210660), (5, 66568528), (8, 41605330), (10, 33284264), (13, 25603280), (16, 20802665), (20, 16642132), (26, 12801640), (40, 8321066), (52, 6400820), (65, 5120656), (80, 4160533), (104, 3200410), (130, 2560328), (208, 1600205), (260, 1280164), (520, 640082), (1040, 320041)]