203975720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{392261}}^1$

素因数の和:392285

約数の個数: 32

約数和(自身を含む): 494250120

約数和(自身を除く): 290274400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 392261, 784522, 1569044, 1961305, 3138088, 3922610, 5099393, 7845220, 10198786, 15690440, 20397572, 25496965, 40795144, 50993930, 101987860, 203975720]

約数ペア:

[(1, 203975720), (2, 101987860), (4, 50993930), (5, 40795144), (8, 25496965), (10, 20397572), (13, 15690440), (20, 10198786), (26, 7845220), (40, 5099393), (52, 3922610), (65, 3138088), (104, 1961305), (130, 1569044), (260, 784522), (520, 392261)]