27882920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 71555400

約数和(自身を除く): 43672480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 43, 52, 58, 65, 86, 104, 116, 130, 145, 172, 215, 232, 260, 290, 344, 377, 430, 520, 559, 580, 754, 860, 1118, 1160, 1247, 1508, 1720, 1849, 1885, 2236, 2494, 2795, 3016, 3698, 3770, 4472, 4988, 5590, 6235, 7396, 7540, 9245, 9976, 11180, 12470, 14792, 15080, 16211, 18490, 22360, 24037, 24940, 32422, 36980, 48074, 49880, 53621, 64844, 73960, 81055, 96148, 107242, 120185, 129688, 162110, 192296, 214484, 240370, 268105, 324220, 428968, 480740, 536210, 648440, 697073, 961480, 1072420, 1394146, 2144840, 2788292, 3485365, 5576584, 6970730, 13941460, 27882920]

約数ペア:

[(1, 27882920), (2, 13941460), (4, 6970730), (5, 5576584), (8, 3485365), (10, 2788292), (13, 2144840), (20, 1394146), (26, 1072420), (29, 961480), (40, 697073), (43, 648440), (52, 536210), (58, 480740), (65, 428968), (86, 324220), (104, 268105), (116, 240370), (130, 214484), (145, 192296), (172, 162110), (215, 129688), (232, 120185), (260, 107242), (290, 96148), (344, 81055), (377, 73960), (430, 64844), (520, 53621), (559, 49880), (580, 48074), (754, 36980), (860, 32422), (1118, 24940), (1160, 24037), (1247, 22360), (1508, 18490), (1720, 16211), (1849, 15080), (1885, 14792), (2236, 12470), (2494, 11180), (2795, 9976), (3016, 9245), (3698, 7540), (3770, 7396), (4472, 6235), (4988, 5590)]