72209800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27773}}^1$

素因数の和:27802

約数の個数: 48

約数和(自身を含む): 180808740

約数和(自身を除く): 108598940

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, 27773, 55546, 111092, 138865, 222184, 277730, 361049, 555460, 694325, 722098, 1110920, 1388650, 1444196, 1805245, 2777300, 2888392, 3610490, 5554600, 7220980, 9026225, 14441960, 18052450, 36104900, 72209800]

約数ペア:

[(1, 72209800), (2, 36104900), (4, 18052450), (5, 14441960), (8, 9026225), (10, 7220980), (13, 5554600), (20, 3610490), (25, 2888392), (26, 2777300), (40, 1805245), (50, 1444196), (52, 1388650), (65, 1110920), (100, 722098), (104, 694325), (130, 555460), (200, 361049), (260, 277730), (325, 222184), (520, 138865), (650, 111092), (1300, 55546), (2600, 27773)]