28001097920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{64483}}^1$

素因数の和:64582

約数の個数: 112

約数和(自身を含む): 70757003520

約数和(自身を除く): 42755905600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 59, 64, 80, 92, 115, 118, 160, 184, 230, 236, 295, 320, 368, 460, 472, 590, 736, 920, 944, 1180, 1357, 1472, 1840, 1888, 2360, 2714, 3680, 3776, 4720, 5428, 6785, 7360, 9440, 10856, 13570, 18880, 21712, 27140, 43424, 54280, 64483, 86848, 108560, 128966, 217120, 257932, 322415, 434240, 515864, 644830, 1031728, 1289660, 1483109, 2063456, 2579320, 2966218, 3804497, 4126912, 5158640, 5932436, 7415545, 7608994, 10317280, 11864872, 14831090, 15217988, 19022485, 20634560, 23729744, 29662180, 30435976, 38044970, 47459488, 59324360, 60871952, 76089940, 87503431, 94918976, 118648720, 121743904, 152179880, 175006862, 237297440, 243487808, 304359760, 350013724, 437517155, 474594880, 608719520, 700027448, 875034310, 1217439040, 1400054896, 1750068620, 2800109792, 3500137240, 5600219584, 7000274480, 14000548960, 28001097920]

約数ペア:

[(1, 28001097920), (2, 14000548960), (4, 7000274480), (5, 5600219584), (8, 3500137240), (10, 2800109792), (16, 1750068620), (20, 1400054896), (23, 1217439040), (32, 875034310), (40, 700027448), (46, 608719520), (59, 474594880), (64, 437517155), (80, 350013724), (92, 304359760), (115, 243487808), (118, 237297440), (160, 175006862), (184, 152179880), (230, 121743904), (236, 118648720), (295, 94918976), (320, 87503431), (368, 76089940), (460, 60871952), (472, 59324360), (590, 47459488), (736, 38044970), (920, 30435976), (944, 29662180), (1180, 23729744), (1357, 20634560), (1472, 19022485), (1840, 15217988), (1888, 14831090), (2360, 11864872), (2714, 10317280), (3680, 7608994), (3776, 7415545), (4720, 5932436), (5428, 5158640), (6785, 4126912), (7360, 3804497), (9440, 2966218), (10856, 2579320), (13570, 2063456), (18880, 1483109), (21712, 1289660), (27140, 1031728), (43424, 644830), (54280, 515864), (64483, 434240), (86848, 322415), (108560, 257932), (128966, 217120)]