28038680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 39353320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 467, 632, 760, 790, 934, 1501, 1580, 1868, 2335, 3002, 3160, 3736, 4670, 6004, 7505, 8873, 9340, 12008, 15010, 17746, 18680, 30020, 35492, 36893, 44365, 60040, 70984, 73786, 88730, 147572, 177460, 184465, 295144, 354920, 368930, 700967, 737860, 1401934, 1475720, 2803868, 3504835, 5607736, 7009670, 14019340, 28038680]

約数ペア:

[(1, 28038680), (2, 14019340), (4, 7009670), (5, 5607736), (8, 3504835), (10, 2803868), (19, 1475720), (20, 1401934), (38, 737860), (40, 700967), (76, 368930), (79, 354920), (95, 295144), (152, 184465), (158, 177460), (190, 147572), (316, 88730), (380, 73786), (395, 70984), (467, 60040), (632, 44365), (760, 36893), (790, 35492), (934, 30020), (1501, 18680), (1580, 17746), (1868, 15010), (2335, 12008), (3002, 9340), (3160, 8873), (3736, 7505), (4670, 6004)]