87432640

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1373}}^1$

素因数の和:1589

約数の個数: 56

約数和(自身を含む): 209397600

約数和(自身を除く): 121964960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1373, 1592, 1990, 2746, 3184, 3980, 5492, 6368, 6865, 7960, 10984, 12736, 13730, 15920, 21968, 27460, 31840, 43936, 54920, 63680, 87872, 109840, 219680, 273227, 439360, 546454, 1092908, 1366135, 2185816, 2732270, 4371632, 5464540, 8743264, 10929080, 17486528, 21858160, 43716320, 87432640]

約数ペア:

[(1, 87432640), (2, 43716320), (4, 21858160), (5, 17486528), (8, 10929080), (10, 8743264), (16, 5464540), (20, 4371632), (32, 2732270), (40, 2185816), (64, 1366135), (80, 1092908), (160, 546454), (199, 439360), (320, 273227), (398, 219680), (796, 109840), (995, 87872), (1373, 63680), (1592, 54920), (1990, 43936), (2746, 31840), (3184, 27460), (3980, 21968), (5492, 15920), (6368, 13730), (6865, 12736), (7960, 10984)]