19975040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 50765400

約数和(自身を除く): 30790360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 59, 64, 80, 92, 115, 118, 128, 160, 184, 230, 236, 295, 320, 368, 460, 472, 529, 590, 640, 736, 920, 944, 1058, 1180, 1357, 1472, 1840, 1888, 2116, 2360, 2645, 2714, 2944, 3680, 3776, 4232, 4720, 5290, 5428, 6785, 7360, 7552, 8464, 9440, 10580, 10856, 13570, 14720, 16928, 18880, 21160, 21712, 27140, 31211, 33856, 37760, 42320, 43424, 54280, 62422, 67712, 84640, 86848, 108560, 124844, 156055, 169280, 173696, 217120, 249688, 312110, 338560, 434240, 499376, 624220, 868480, 998752, 1248440, 1997504, 2496880, 3995008, 4993760, 9987520, 19975040]

約数ペア:

[(1, 19975040), (2, 9987520), (4, 4993760), (5, 3995008), (8, 2496880), (10, 1997504), (16, 1248440), (20, 998752), (23, 868480), (32, 624220), (40, 499376), (46, 434240), (59, 338560), (64, 312110), (80, 249688), (92, 217120), (115, 173696), (118, 169280), (128, 156055), (160, 124844), (184, 108560), (230, 86848), (236, 84640), (295, 67712), (320, 62422), (368, 54280), (460, 43424), (472, 42320), (529, 37760), (590, 33856), (640, 31211), (736, 27140), (920, 21712), (944, 21160), (1058, 18880), (1180, 16928), (1357, 14720), (1472, 13570), (1840, 10856), (1888, 10580), (2116, 9440), (2360, 8464), (2645, 7552), (2714, 7360), (2944, 6785), (3680, 5428), (3776, 5290), (4232, 4720)]