12578800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 33904080

約数和(自身を除く): 21325280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 41, 50, 52, 59, 65, 80, 82, 100, 104, 118, 130, 164, 200, 205, 208, 236, 260, 295, 325, 328, 400, 410, 472, 520, 533, 590, 650, 656, 767, 820, 944, 1025, 1040, 1066, 1180, 1300, 1475, 1534, 1640, 2050, 2132, 2360, 2419, 2600, 2665, 2950, 3068, 3280, 3835, 4100, 4264, 4720, 4838, 5200, 5330, 5900, 6136, 7670, 8200, 8528, 9676, 10660, 11800, 12095, 12272, 13325, 15340, 16400, 19175, 19352, 21320, 23600, 24190, 26650, 30680, 31447, 38350, 38704, 42640, 48380, 53300, 60475, 61360, 62894, 76700, 96760, 106600, 120950, 125788, 153400, 157235, 193520, 213200, 241900, 251576, 306800, 314470, 483800, 503152, 628940, 786175, 967600, 1257880, 1572350, 2515760, 3144700, 6289400, 12578800]

約数ペア:

[(1, 12578800), (2, 6289400), (4, 3144700), (5, 2515760), (8, 1572350), (10, 1257880), (13, 967600), (16, 786175), (20, 628940), (25, 503152), (26, 483800), (40, 314470), (41, 306800), (50, 251576), (52, 241900), (59, 213200), (65, 193520), (80, 157235), (82, 153400), (100, 125788), (104, 120950), (118, 106600), (130, 96760), (164, 76700), (200, 62894), (205, 61360), (208, 60475), (236, 53300), (260, 48380), (295, 42640), (325, 38704), (328, 38350), (400, 31447), (410, 30680), (472, 26650), (520, 24190), (533, 23600), (590, 21320), (650, 19352), (656, 19175), (767, 16400), (820, 15340), (944, 13325), (1025, 12272), (1040, 12095), (1066, 11800), (1180, 10660), (1300, 9676), (1475, 8528), (1534, 8200), (1640, 7670), (2050, 6136), (2132, 5900), (2360, 5330), (2419, 5200), (2600, 4838), (2665, 4720), (2950, 4264), (3068, 4100), (3280, 3835)]