263198720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{25703}}^1$

素因数の和:25730

約数の個数: 48

約数和(自身を含む): 631547280

約数和(自身を除く): 368348560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 25703, 51406, 102812, 128515, 205624, 257030, 411248, 514060, 822496, 1028120, 1644992, 2056240, 3289984, 4112480, 6579968, 8224960, 13159936, 16449920, 26319872, 32899840, 52639744, 65799680, 131599360, 263198720]

約数ペア:

[(1, 263198720), (2, 131599360), (4, 65799680), (5, 52639744), (8, 32899840), (10, 26319872), (16, 16449920), (20, 13159936), (32, 8224960), (40, 6579968), (64, 4112480), (80, 3289984), (128, 2056240), (160, 1644992), (256, 1028120), (320, 822496), (512, 514060), (640, 411248), (1024, 257030), (1280, 205624), (2048, 128515), (2560, 102812), (5120, 51406), (10240, 25703)]