82020900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21031}}^1$

素因数の和:21061

約数の個数: 72

約数和(自身を含む): 255580864

約数和(自身を除く): 173559964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 21031, 42062, 63093, 84124, 105155, 126186, 210310, 252372, 273403, 315465, 420620, 525775, 546806, 630930, 820209, 1051550, 1093612, 1261860, 1367015, 1577325, 1640418, 2103100, 2734030, 3154650, 3280836, 4101045, 5468060, 6309300, 6835075, 8202090, 13670150, 16404180, 20505225, 27340300, 41010450, 82020900]

約数ペア:

[(1, 82020900), (2, 41010450), (3, 27340300), (4, 20505225), (5, 16404180), (6, 13670150), (10, 8202090), (12, 6835075), (13, 6309300), (15, 5468060), (20, 4101045), (25, 3280836), (26, 3154650), (30, 2734030), (39, 2103100), (50, 1640418), (52, 1577325), (60, 1367015), (65, 1261860), (75, 1093612), (78, 1051550), (100, 820209), (130, 630930), (150, 546806), (156, 525775), (195, 420620), (260, 315465), (300, 273403), (325, 252372), (390, 210310), (650, 126186), (780, 105155), (975, 84124), (1300, 63093), (1950, 42062), (3900, 21031)]