1923867920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{39359}}^1$

素因数の和:39432

約数の個数: 80

約数和(自身を含む): 4919685120

約数和(自身を除く): 2995817200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3760, 4888, 6110, 9776, 12220, 24440, 39359, 48880, 78718, 157436, 196795, 314872, 393590, 511667, 629744, 787180, 1023334, 1574360, 1849873, 2046668, 2558335, 3148720, 3699746, 4093336, 5116670, 7399492, 8186672, 9249365, 10233340, 14798984, 18498730, 20466680, 24048349, 29597968, 36997460, 40933360, 48096698, 73994920, 96193396, 120241745, 147989840, 192386792, 240483490, 384773584, 480966980, 961933960, 1923867920]

約数ペア:

[(1, 1923867920), (2, 961933960), (4, 480966980), (5, 384773584), (8, 240483490), (10, 192386792), (13, 147989840), (16, 120241745), (20, 96193396), (26, 73994920), (40, 48096698), (47, 40933360), (52, 36997460), (65, 29597968), (80, 24048349), (94, 20466680), (104, 18498730), (130, 14798984), (188, 10233340), (208, 9249365), (235, 8186672), (260, 7399492), (376, 5116670), (470, 4093336), (520, 3699746), (611, 3148720), (752, 2558335), (940, 2046668), (1040, 1849873), (1222, 1574360), (1880, 1023334), (2444, 787180), (3055, 629744), (3760, 511667), (4888, 393590), (6110, 314872), (9776, 196795), (12220, 157436), (24440, 78718), (39359, 48880)]