81117400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4493

約数の個数: 96

約数和(自身を含む): 232172640

約数和(自身を除く): 151055240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1300, 1400, 1820, 2275, 2600, 3640, 4457, 4550, 8914, 9100, 17828, 18200, 22285, 31199, 35656, 44570, 57941, 62398, 89140, 111425, 115882, 124796, 155995, 178280, 222850, 231764, 249592, 289705, 311990, 405587, 445700, 463528, 579410, 623980, 779975, 811174, 891400, 1158820, 1247960, 1448525, 1559950, 1622348, 2027935, 2317640, 2897050, 3119900, 3244696, 4055870, 5794100, 6239800, 8111740, 10139675, 11588200, 16223480, 20279350, 40558700, 81117400]

約数ペア:

[(1, 81117400), (2, 40558700), (4, 20279350), (5, 16223480), (7, 11588200), (8, 10139675), (10, 8111740), (13, 6239800), (14, 5794100), (20, 4055870), (25, 3244696), (26, 3119900), (28, 2897050), (35, 2317640), (40, 2027935), (50, 1622348), (52, 1559950), (56, 1448525), (65, 1247960), (70, 1158820), (91, 891400), (100, 811174), (104, 779975), (130, 623980), (140, 579410), (175, 463528), (182, 445700), (200, 405587), (260, 311990), (280, 289705), (325, 249592), (350, 231764), (364, 222850), (455, 178280), (520, 155995), (650, 124796), (700, 115882), (728, 111425), (910, 89140), (1300, 62398), (1400, 57941), (1820, 44570), (2275, 35656), (2600, 31199), (3640, 22285), (4457, 18200), (4550, 17828), (8914, 9100)]