28443520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{907}}^1$

素因数の和:940

約数の個数: 96

約数和(自身を含む): 79186680

約数和(自身を除く): 50743160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 907, 980, 1120, 1568, 1814, 1960, 2240, 3136, 3628, 3920, 4480, 4535, 6272, 6349, 7256, 7840, 9070, 12698, 14512, 15680, 18140, 25396, 29024, 31360, 31745, 36280, 44443, 50792, 58048, 63490, 72560, 88886, 101584, 116096, 126980, 145120, 177772, 203168, 222215, 253960, 290240, 355544, 406336, 444430, 507920, 580480, 711088, 812672, 888860, 1015840, 1422176, 1777720, 2031680, 2844352, 3555440, 4063360, 5688704, 7110880, 14221760, 28443520]

約数ペア:

[(1, 28443520), (2, 14221760), (4, 7110880), (5, 5688704), (7, 4063360), (8, 3555440), (10, 2844352), (14, 2031680), (16, 1777720), (20, 1422176), (28, 1015840), (32, 888860), (35, 812672), (40, 711088), (49, 580480), (56, 507920), (64, 444430), (70, 406336), (80, 355544), (98, 290240), (112, 253960), (128, 222215), (140, 203168), (160, 177772), (196, 145120), (224, 126980), (245, 116096), (280, 101584), (320, 88886), (392, 72560), (448, 63490), (490, 58048), (560, 50792), (640, 44443), (784, 36280), (896, 31745), (907, 31360), (980, 29024), (1120, 25396), (1568, 18140), (1814, 15680), (1960, 14512), (2240, 12698), (3136, 9070), (3628, 7840), (3920, 7256), (4480, 6349), (4535, 6272)]