19467947120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{71933}}^1$

素因数の和:72162

約数の個数: 80

約数和(自身を含む): 48167006400

約数和(自身を除く): 28699059280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 340, 398, 680, 796, 995, 1360, 1592, 1990, 3184, 3383, 3980, 6766, 7960, 13532, 15920, 16915, 27064, 33830, 54128, 67660, 71933, 135320, 143866, 270640, 287732, 359665, 575464, 719330, 1150928, 1222861, 1438660, 2445722, 2877320, 4891444, 5754640, 6114305, 9782888, 12228610, 14314667, 19565776, 24457220, 28629334, 48914440, 57258668, 71573335, 97828880, 114517336, 143146670, 229034672, 243349339, 286293340, 486698678, 572586680, 973397356, 1145173360, 1216746695, 1946794712, 2433493390, 3893589424, 4866986780, 9733973560, 19467947120]

約数ペア:

[(1, 19467947120), (2, 9733973560), (4, 4866986780), (5, 3893589424), (8, 2433493390), (10, 1946794712), (16, 1216746695), (17, 1145173360), (20, 973397356), (34, 572586680), (40, 486698678), (68, 286293340), (80, 243349339), (85, 229034672), (136, 143146670), (170, 114517336), (199, 97828880), (272, 71573335), (340, 57258668), (398, 48914440), (680, 28629334), (796, 24457220), (995, 19565776), (1360, 14314667), (1592, 12228610), (1990, 9782888), (3184, 6114305), (3383, 5754640), (3980, 4891444), (6766, 2877320), (7960, 2445722), (13532, 1438660), (15920, 1222861), (16915, 1150928), (27064, 719330), (33830, 575464), (54128, 359665), (67660, 287732), (71933, 270640), (135320, 143866)]