81521200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8861}}^1$

素因数の和:8902

約数の個数: 60

約数和(自身を含む): 204393168

約数和(自身を除く): 122871968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2300, 4600, 8861, 9200, 17722, 35444, 44305, 70888, 88610, 141776, 177220, 203803, 221525, 354440, 407606, 443050, 708880, 815212, 886100, 1019015, 1630424, 1772200, 2038030, 3260848, 3544400, 4076060, 5095075, 8152120, 10190150, 16304240, 20380300, 40760600, 81521200]

約数ペア:

[(1, 81521200), (2, 40760600), (4, 20380300), (5, 16304240), (8, 10190150), (10, 8152120), (16, 5095075), (20, 4076060), (23, 3544400), (25, 3260848), (40, 2038030), (46, 1772200), (50, 1630424), (80, 1019015), (92, 886100), (100, 815212), (115, 708880), (184, 443050), (200, 407606), (230, 354440), (368, 221525), (400, 203803), (460, 177220), (575, 141776), (920, 88610), (1150, 70888), (1840, 44305), (2300, 35444), (4600, 17722), (8861, 9200)]