8430500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 19843824

約数和(自身を除く): 11413324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1297, 1300, 1625, 2594, 3250, 5188, 6485, 6500, 12970, 16861, 25940, 32425, 33722, 64850, 67444, 84305, 129700, 162125, 168610, 324250, 337220, 421525, 648500, 843050, 1686100, 2107625, 4215250, 8430500]

約数ペア:

[(1, 8430500), (2, 4215250), (4, 2107625), (5, 1686100), (10, 843050), (13, 648500), (20, 421525), (25, 337220), (26, 324250), (50, 168610), (52, 162125), (65, 129700), (100, 84305), (125, 67444), (130, 64850), (250, 33722), (260, 32425), (325, 25940), (500, 16861), (650, 12970), (1297, 6500), (1300, 6485), (1625, 5188), (2594, 3250)]