72884500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{11213}}^1$

素因数の和:11245

約数の個数: 48

約数和(自身を含む): 171439632

約数和(自身を除く): 98555132

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 11213, 22426, 44852, 56065, 112130, 145769, 224260, 280325, 291538, 560650, 583076, 728845, 1121300, 1401625, 1457690, 2803250, 2915380, 3644225, 5606500, 7288450, 14576900, 18221125, 36442250, 72884500]

約数ペア:

[(1, 72884500), (2, 36442250), (4, 18221125), (5, 14576900), (10, 7288450), (13, 5606500), (20, 3644225), (25, 2915380), (26, 2803250), (50, 1457690), (52, 1401625), (65, 1121300), (100, 728845), (125, 583076), (130, 560650), (250, 291538), (260, 280325), (325, 224260), (500, 145769), (650, 112130), (1300, 56065), (1625, 44852), (3250, 22426), (6500, 11213)]