48768640

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 117510120

約数和(自身を除く): 68741480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 421, 640, 724, 842, 905, 1448, 1684, 1810, 2105, 2896, 3368, 3620, 4210, 5792, 6736, 7240, 8420, 11584, 13472, 14480, 16840, 23168, 26944, 28960, 33680, 53888, 57920, 67360, 76201, 115840, 134720, 152402, 269440, 304804, 381005, 609608, 762010, 1219216, 1524020, 2438432, 3048040, 4876864, 6096080, 9753728, 12192160, 24384320, 48768640]

約数ペア:

[(1, 48768640), (2, 24384320), (4, 12192160), (5, 9753728), (8, 6096080), (10, 4876864), (16, 3048040), (20, 2438432), (32, 1524020), (40, 1219216), (64, 762010), (80, 609608), (128, 381005), (160, 304804), (181, 269440), (320, 152402), (362, 134720), (421, 115840), (640, 76201), (724, 67360), (842, 57920), (905, 53888), (1448, 33680), (1684, 28960), (1810, 26944), (2105, 23168), (2896, 16840), (3368, 14480), (3620, 13472), (4210, 11584), (5792, 8420), (6736, 7240)]