18488320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 88

約数和(自身を含む): 46573344

約数和(自身を除く): 28085024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 157, 160, 184, 230, 256, 314, 320, 368, 460, 512, 628, 640, 736, 785, 920, 1024, 1256, 1280, 1472, 1570, 1840, 2512, 2560, 2944, 3140, 3611, 3680, 5024, 5120, 5888, 6280, 7222, 7360, 10048, 11776, 12560, 14444, 14720, 18055, 20096, 23552, 25120, 28888, 29440, 36110, 40192, 50240, 57776, 58880, 72220, 80384, 100480, 115552, 117760, 144440, 160768, 200960, 231104, 288880, 401920, 462208, 577760, 803840, 924416, 1155520, 1848832, 2311040, 3697664, 4622080, 9244160, 18488320]

約数ペア:

[(1, 18488320), (2, 9244160), (4, 4622080), (5, 3697664), (8, 2311040), (10, 1848832), (16, 1155520), (20, 924416), (23, 803840), (32, 577760), (40, 462208), (46, 401920), (64, 288880), (80, 231104), (92, 200960), (115, 160768), (128, 144440), (157, 117760), (160, 115552), (184, 100480), (230, 80384), (256, 72220), (314, 58880), (320, 57776), (368, 50240), (460, 40192), (512, 36110), (628, 29440), (640, 28888), (736, 25120), (785, 23552), (920, 20096), (1024, 18055), (1256, 14720), (1280, 14444), (1472, 12560), (1570, 11776), (1840, 10048), (2512, 7360), (2560, 7222), (2944, 6280), (3140, 5888), (3611, 5120), (3680, 5024)]