12820600

素因数分解:

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

素因数の和:4960

約数の個数: 48

約数和(自身を含む): 32107320

約数和(自身を除く): 19286720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 4931, 9862, 19724, 24655, 39448, 49310, 64103, 98620, 123275, 128206, 197240, 246550, 256412, 320515, 493100, 512824, 641030, 986200, 1282060, 1602575, 2564120, 3205150, 6410300, 12820600]

約数ペア:

[(1, 12820600), (2, 6410300), (4, 3205150), (5, 2564120), (8, 1602575), (10, 1282060), (13, 986200), (20, 641030), (25, 512824), (26, 493100), (40, 320515), (50, 256412), (52, 246550), (65, 197240), (100, 128206), (104, 123275), (130, 98620), (200, 64103), (260, 49310), (325, 39448), (520, 24655), (650, 19724), (1300, 9862), (2600, 4931)]