27899920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 69102720

約数和(自身を除く): 41202800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 184, 230, 236, 257, 295, 368, 460, 472, 514, 590, 920, 944, 1028, 1180, 1285, 1357, 1840, 2056, 2360, 2570, 2714, 4112, 4720, 5140, 5428, 5911, 6785, 10280, 10856, 11822, 13570, 15163, 20560, 21712, 23644, 27140, 29555, 30326, 47288, 54280, 59110, 60652, 75815, 94576, 108560, 118220, 121304, 151630, 236440, 242608, 303260, 348749, 472880, 606520, 697498, 1213040, 1394996, 1743745, 2789992, 3487490, 5579984, 6974980, 13949960, 27899920]

約数ペア:

[(1, 27899920), (2, 13949960), (4, 6974980), (5, 5579984), (8, 3487490), (10, 2789992), (16, 1743745), (20, 1394996), (23, 1213040), (40, 697498), (46, 606520), (59, 472880), (80, 348749), (92, 303260), (115, 242608), (118, 236440), (184, 151630), (230, 121304), (236, 118220), (257, 108560), (295, 94576), (368, 75815), (460, 60652), (472, 59110), (514, 54280), (590, 47288), (920, 30326), (944, 29555), (1028, 27140), (1180, 23644), (1285, 21712), (1357, 20560), (1840, 15163), (2056, 13570), (2360, 11822), (2570, 10856), (2714, 10280), (4112, 6785), (4720, 5911), (5140, 5428)]