28400040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78889}}^1$

素因数の和:78906

約数の個数: 48

約数和(自身を含む): 92301300

約数和(自身を除く): 63901260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78889, 157778, 236667, 315556, 394445, 473334, 631112, 710001, 788890, 946668, 1183335, 1420002, 1577780, 1893336, 2366670, 2840004, 3155560, 3550005, 4733340, 5680008, 7100010, 9466680, 14200020, 28400040]

約数ペア:

[(1, 28400040), (2, 14200020), (3, 9466680), (4, 7100010), (5, 5680008), (6, 4733340), (8, 3550005), (9, 3155560), (10, 2840004), (12, 2366670), (15, 1893336), (18, 1577780), (20, 1420002), (24, 1183335), (30, 946668), (36, 788890), (40, 710001), (45, 631112), (60, 473334), (72, 394445), (90, 315556), (120, 236667), (180, 157778), (360, 78889)]