28071040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1949

約数の個数: 64

約数和(自身を含む): 70061760

約数和(自身を除く): 41990720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 1907, 2944, 3680, 3814, 7360, 7628, 9535, 14720, 15256, 19070, 30512, 38140, 43861, 61024, 76280, 87722, 122048, 152560, 175444, 219305, 244096, 305120, 350888, 438610, 610240, 701776, 877220, 1220480, 1403552, 1754440, 2807104, 3508880, 5614208, 7017760, 14035520, 28071040]

約数ペア:

[(1, 28071040), (2, 14035520), (4, 7017760), (5, 5614208), (8, 3508880), (10, 2807104), (16, 1754440), (20, 1403552), (23, 1220480), (32, 877220), (40, 701776), (46, 610240), (64, 438610), (80, 350888), (92, 305120), (115, 244096), (128, 219305), (160, 175444), (184, 152560), (230, 122048), (320, 87722), (368, 76280), (460, 61024), (640, 43861), (736, 38140), (920, 30512), (1472, 19070), (1840, 15256), (1907, 14720), (2944, 9535), (3680, 7628), (3814, 7360)]