40203520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 108

約数和(自身を含む): 112197204

約数和(自身を除く): 71993684

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 641, 784, 896, 980, 1120, 1280, 1282, 1568, 1792, 1960, 2240, 2564, 3136, 3205, 3920, 4480, 4487, 5128, 6272, 6410, 7840, 8960, 8974, 10256, 12544, 12820, 15680, 17948, 20512, 22435, 25640, 31360, 31409, 35896, 41024, 44870, 51280, 62720, 62818, 71792, 82048, 89740, 102560, 125636, 143584, 157045, 164096, 179480, 205120, 251272, 287168, 314090, 358960, 410240, 502544, 574336, 628180, 717920, 820480, 1005088, 1148672, 1256360, 1435840, 2010176, 2512720, 2871680, 4020352, 5025440, 5743360, 8040704, 10050880, 20101760, 40203520]

約数ペア:

[(1, 40203520), (2, 20101760), (4, 10050880), (5, 8040704), (7, 5743360), (8, 5025440), (10, 4020352), (14, 2871680), (16, 2512720), (20, 2010176), (28, 1435840), (32, 1256360), (35, 1148672), (40, 1005088), (49, 820480), (56, 717920), (64, 628180), (70, 574336), (80, 502544), (98, 410240), (112, 358960), (128, 314090), (140, 287168), (160, 251272), (196, 205120), (224, 179480), (245, 164096), (256, 157045), (280, 143584), (320, 125636), (392, 102560), (448, 89740), (490, 82048), (560, 71792), (640, 62818), (641, 62720), (784, 51280), (896, 44870), (980, 41024), (1120, 35896), (1280, 31409), (1282, 31360), (1568, 25640), (1792, 22435), (1960, 20512), (2240, 17948), (2564, 15680), (3136, 12820), (3205, 12544), (3920, 10256), (4480, 8974), (4487, 8960), (5128, 7840), (6272, 6410)]