7919080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 19509840

約数和(自身を除く): 11590760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 157, 194, 260, 314, 388, 485, 520, 628, 776, 785, 970, 1256, 1261, 1570, 1940, 2041, 2522, 3140, 3880, 4082, 5044, 6280, 6305, 8164, 10088, 10205, 12610, 15229, 16328, 20410, 25220, 30458, 40820, 50440, 60916, 76145, 81640, 121832, 152290, 197977, 304580, 395954, 609160, 791908, 989885, 1583816, 1979770, 3959540, 7919080]

約数ペア:

[(1, 7919080), (2, 3959540), (4, 1979770), (5, 1583816), (8, 989885), (10, 791908), (13, 609160), (20, 395954), (26, 304580), (40, 197977), (52, 152290), (65, 121832), (97, 81640), (104, 76145), (130, 60916), (157, 50440), (194, 40820), (260, 30458), (314, 25220), (388, 20410), (485, 16328), (520, 15229), (628, 12610), (776, 10205), (785, 10088), (970, 8164), (1256, 6305), (1261, 6280), (1570, 5044), (1940, 4082), (2041, 3880), (2522, 3140)]