38165920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 99066240

約数和(自身を除く): 60900320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 311, 416, 472, 520, 590, 622, 767, 944, 1040, 1180, 1244, 1534, 1555, 1888, 2080, 2360, 2488, 3068, 3110, 3835, 4043, 4720, 4976, 6136, 6220, 7670, 8086, 9440, 9952, 12272, 12440, 15340, 16172, 18349, 20215, 24544, 24880, 30680, 32344, 36698, 40430, 49760, 61360, 64688, 73396, 80860, 91745, 122720, 129376, 146792, 161720, 183490, 238537, 293584, 323440, 366980, 477074, 587168, 646880, 733960, 954148, 1192685, 1467920, 1908296, 2385370, 2935840, 3816592, 4770740, 7633184, 9541480, 19082960, 38165920]

約数ペア:

[(1, 38165920), (2, 19082960), (4, 9541480), (5, 7633184), (8, 4770740), (10, 3816592), (13, 2935840), (16, 2385370), (20, 1908296), (26, 1467920), (32, 1192685), (40, 954148), (52, 733960), (59, 646880), (65, 587168), (80, 477074), (104, 366980), (118, 323440), (130, 293584), (160, 238537), (208, 183490), (236, 161720), (260, 146792), (295, 129376), (311, 122720), (416, 91745), (472, 80860), (520, 73396), (590, 64688), (622, 61360), (767, 49760), (944, 40430), (1040, 36698), (1180, 32344), (1244, 30680), (1534, 24880), (1555, 24544), (1888, 20215), (2080, 18349), (2360, 16172), (2488, 15340), (3068, 12440), (3110, 12272), (3835, 9952), (4043, 9440), (4720, 8086), (4976, 7670), (6136, 6220)]