38405900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 92744064

約数和(自身を除く): 54338164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 953, 1300, 1550, 1612, 1906, 2015, 3100, 3812, 4030, 4765, 8060, 9530, 10075, 12389, 19060, 20150, 23825, 24778, 29543, 40300, 47650, 49556, 59086, 61945, 95300, 118172, 123890, 147715, 247780, 295430, 309725, 384059, 590860, 619450, 738575, 768118, 1238900, 1477150, 1536236, 1920295, 2954300, 3840590, 7681180, 9601475, 19202950, 38405900]

約数ペア:

[(1, 38405900), (2, 19202950), (4, 9601475), (5, 7681180), (10, 3840590), (13, 2954300), (20, 1920295), (25, 1536236), (26, 1477150), (31, 1238900), (50, 768118), (52, 738575), (62, 619450), (65, 590860), (100, 384059), (124, 309725), (130, 295430), (155, 247780), (260, 147715), (310, 123890), (325, 118172), (403, 95300), (620, 61945), (650, 59086), (775, 49556), (806, 47650), (953, 40300), (1300, 29543), (1550, 24778), (1612, 23825), (1906, 20150), (2015, 19060), (3100, 12389), (3812, 10075), (4030, 9530), (4765, 8060)]