2564120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4931}}^1$

素因数の和:4955

約数の個数: 32

約数和(自身を含む): 6214320

約数和(自身を除く): 3650200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4931, 9862, 19724, 24655, 39448, 49310, 64103, 98620, 128206, 197240, 256412, 320515, 512824, 641030, 1282060, 2564120]

約数ペア:

[(1, 2564120), (2, 1282060), (4, 641030), (5, 512824), (8, 320515), (10, 256412), (13, 197240), (20, 128206), (26, 98620), (40, 64103), (52, 49310), (65, 39448), (104, 24655), (130, 19724), (260, 9862), (520, 4931)]