131528800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12647}}^1$

素因数の和:12680

約数の個数: 72

約数和(自身を含む): 345821616

約数和(自身を除く): 214292816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 12647, 25294, 50588, 63235, 101176, 126470, 164411, 202352, 252940, 316175, 328822, 404704, 505880, 632350, 657644, 822055, 1011760, 1264700, 1315288, 1644110, 2023520, 2529400, 2630576, 3288220, 4110275, 5058800, 5261152, 6576440, 8220550, 10117600, 13152880, 16441100, 26305760, 32882200, 65764400, 131528800]

約数ペア:

[(1, 131528800), (2, 65764400), (4, 32882200), (5, 26305760), (8, 16441100), (10, 13152880), (13, 10117600), (16, 8220550), (20, 6576440), (25, 5261152), (26, 5058800), (32, 4110275), (40, 3288220), (50, 2630576), (52, 2529400), (65, 2023520), (80, 1644110), (100, 1315288), (104, 1264700), (130, 1011760), (160, 822055), (200, 657644), (208, 632350), (260, 505880), (325, 404704), (400, 328822), (416, 316175), (520, 252940), (650, 202352), (800, 164411), (1040, 126470), (1300, 101176), (2080, 63235), (2600, 50588), (5200, 25294), (10400, 12647)]