340564120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{654931}}^1$

素因数の和:654955

約数の個数: 32

約数和(自身を含む): 825214320

約数和(自身を除く): 484650200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 654931, 1309862, 2619724, 3274655, 5239448, 6549310, 8514103, 13098620, 17028206, 26197240, 34056412, 42570515, 68112824, 85141030, 170282060, 340564120]

約数ペア:

[(1, 340564120), (2, 170282060), (4, 85141030), (5, 68112824), (8, 42570515), (10, 34056412), (13, 26197240), (20, 17028206), (26, 13098620), (40, 8514103), (52, 6549310), (65, 5239448), (104, 3274655), (130, 2619724), (260, 1309862), (520, 654931)]