1237200040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{391519}}^1$

素因数の和:391609

約数の個数: 32

約数和(自身を含む): 2818944000

約数和(自身を除く): 1581743960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 391519, 783038, 1566076, 1957595, 3132152, 3915190, 7830380, 15660760, 30930001, 61860002, 123720004, 154650005, 247440008, 309300010, 618600020, 1237200040]

約数ペア:

[(1, 1237200040), (2, 618600020), (4, 309300010), (5, 247440008), (8, 154650005), (10, 123720004), (20, 61860002), (40, 30930001), (79, 15660760), (158, 7830380), (316, 3915190), (395, 3132152), (632, 1957595), (790, 1566076), (1580, 783038), (3160, 391519)]