12487755520

素因数分解:

$2^8\times 5^1\times {\mathrm{619}}^1\times {\mathrm{15761}}^1$

素因数の和:16401

約数の個数: 72

約数和(自身を含む): 29962301040

約数和(自身を除く): 17474545520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 619, 640, 1238, 1280, 2476, 3095, 4952, 6190, 9904, 12380, 15761, 19808, 24760, 31522, 39616, 49520, 63044, 78805, 79232, 99040, 126088, 157610, 158464, 198080, 252176, 315220, 396160, 504352, 630440, 792320, 1008704, 1260880, 2017408, 2521760, 4034816, 5043520, 9756059, 10087040, 19512118, 20174080, 39024236, 48780295, 78048472, 97560590, 156096944, 195121180, 312193888, 390242360, 624387776, 780484720, 1248775552, 1560969440, 2497551104, 3121938880, 6243877760, 12487755520]

約数ペア:

[(1, 12487755520), (2, 6243877760), (4, 3121938880), (5, 2497551104), (8, 1560969440), (10, 1248775552), (16, 780484720), (20, 624387776), (32, 390242360), (40, 312193888), (64, 195121180), (80, 156096944), (128, 97560590), (160, 78048472), (256, 48780295), (320, 39024236), (619, 20174080), (640, 19512118), (1238, 10087040), (1280, 9756059), (2476, 5043520), (3095, 4034816), (4952, 2521760), (6190, 2017408), (9904, 1260880), (12380, 1008704), (15761, 792320), (19808, 630440), (24760, 504352), (31522, 396160), (39616, 315220), (49520, 252176), (63044, 198080), (78805, 158464), (79232, 157610), (99040, 126088)]