25445550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13049}}^1$

素因数の和:13077

約数の個数: 48

約数和(自身を含む): 67964400

約数和(自身を除く): 42518850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 13049, 26098, 39147, 65245, 78294, 130490, 169637, 195735, 326225, 339274, 391470, 508911, 652450, 848185, 978675, 1017822, 1696370, 1957350, 2544555, 4240925, 5089110, 8481850, 12722775, 25445550]

約数ペア:

[(1, 25445550), (2, 12722775), (3, 8481850), (5, 5089110), (6, 4240925), (10, 2544555), (13, 1957350), (15, 1696370), (25, 1017822), (26, 978675), (30, 848185), (39, 652450), (50, 508911), (65, 391470), (75, 339274), (78, 326225), (130, 195735), (150, 169637), (195, 130490), (325, 78294), (390, 65245), (650, 39147), (975, 26098), (1950, 13049)]