1643125250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2647}}^1$

素因数の和:2868

約数の個数: 64

約数和(自身を含む): 3331141632

約数和(自身を除く): 1688016382

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 191, 250, 325, 382, 650, 955, 1625, 1910, 2483, 2647, 3250, 4775, 4966, 5294, 9550, 12415, 13235, 23875, 24830, 26470, 34411, 47750, 62075, 66175, 68822, 124150, 132350, 172055, 310375, 330875, 344110, 505577, 620750, 661750, 860275, 1011154, 1720550, 2527885, 4301375, 5055770, 6572501, 8602750, 12639425, 13145002, 25278850, 32862505, 63197125, 65725010, 126394250, 164312525, 328625050, 821562625, 1643125250]

約数ペア:

[(1, 1643125250), (2, 821562625), (5, 328625050), (10, 164312525), (13, 126394250), (25, 65725010), (26, 63197125), (50, 32862505), (65, 25278850), (125, 13145002), (130, 12639425), (191, 8602750), (250, 6572501), (325, 5055770), (382, 4301375), (650, 2527885), (955, 1720550), (1625, 1011154), (1910, 860275), (2483, 661750), (2647, 620750), (3250, 505577), (4775, 344110), (4966, 330875), (5294, 310375), (9550, 172055), (12415, 132350), (13235, 124150), (23875, 68822), (24830, 66175), (26470, 62075), (34411, 47750)]