830440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 2013480

約数和(自身を除く): 1183040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1597, 3194, 6388, 7985, 12776, 15970, 20761, 31940, 41522, 63880, 83044, 103805, 166088, 207610, 415220, 830440]

約数ペア:

[(1, 830440), (2, 415220), (4, 207610), (5, 166088), (8, 103805), (10, 83044), (13, 63880), (20, 41522), (26, 31940), (40, 20761), (52, 15970), (65, 12776), (104, 7985), (130, 6388), (260, 3194), (520, 1597)]