7805200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 21526400

約数和(自身を除く): 13721200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 79, 80, 95, 100, 104, 130, 152, 158, 190, 200, 208, 247, 260, 304, 316, 325, 380, 395, 400, 475, 494, 520, 632, 650, 760, 790, 950, 988, 1027, 1040, 1235, 1264, 1300, 1501, 1520, 1580, 1900, 1975, 1976, 2054, 2470, 2600, 3002, 3160, 3800, 3950, 3952, 4108, 4940, 5135, 5200, 6004, 6175, 6320, 7505, 7600, 7900, 8216, 9880, 10270, 12008, 12350, 15010, 15800, 16432, 19513, 19760, 20540, 24016, 24700, 25675, 30020, 31600, 37525, 39026, 41080, 49400, 51350, 60040, 75050, 78052, 82160, 97565, 98800, 102700, 120080, 150100, 156104, 195130, 205400, 300200, 312208, 390260, 410800, 487825, 600400, 780520, 975650, 1561040, 1951300, 3902600, 7805200]

約数ペア:

[(1, 7805200), (2, 3902600), (4, 1951300), (5, 1561040), (8, 975650), (10, 780520), (13, 600400), (16, 487825), (19, 410800), (20, 390260), (25, 312208), (26, 300200), (38, 205400), (40, 195130), (50, 156104), (52, 150100), (65, 120080), (76, 102700), (79, 98800), (80, 97565), (95, 82160), (100, 78052), (104, 75050), (130, 60040), (152, 51350), (158, 49400), (190, 41080), (200, 39026), (208, 37525), (247, 31600), (260, 30020), (304, 25675), (316, 24700), (325, 24016), (380, 20540), (395, 19760), (400, 19513), (475, 16432), (494, 15800), (520, 15010), (632, 12350), (650, 12008), (760, 10270), (790, 9880), (950, 8216), (988, 7900), (1027, 7600), (1040, 7505), (1235, 6320), (1264, 6175), (1300, 6004), (1501, 5200), (1520, 5135), (1580, 4940), (1900, 4108), (1975, 3952), (1976, 3950), (2054, 3800), (2470, 3160), (2600, 3002)]