1644879080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{16057}}^1$

素因数の和:16278

約数の個数: 64

約数和(自身を含む): 4006149840

約数和(自身を除く): 2361270760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1970, 2561, 3940, 5122, 7880, 10244, 12805, 16057, 20488, 25610, 32114, 51220, 64228, 80285, 102440, 128456, 160570, 208741, 321140, 417482, 642280, 834964, 1043705, 1669928, 2087410, 3163229, 4174820, 6326458, 8349640, 12652916, 15816145, 25305832, 31632290, 41121977, 63264580, 82243954, 126529160, 164487908, 205609885, 328975816, 411219770, 822439540, 1644879080]

約数ペア:

[(1, 1644879080), (2, 822439540), (4, 411219770), (5, 328975816), (8, 205609885), (10, 164487908), (13, 126529160), (20, 82243954), (26, 63264580), (40, 41121977), (52, 31632290), (65, 25305832), (104, 15816145), (130, 12652916), (197, 8349640), (260, 6326458), (394, 4174820), (520, 3163229), (788, 2087410), (985, 1669928), (1576, 1043705), (1970, 834964), (2561, 642280), (3940, 417482), (5122, 321140), (7880, 208741), (10244, 160570), (12805, 128456), (16057, 102440), (20488, 80285), (25610, 64228), (32114, 51220)]