85288720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5101}}^1$

素因数の和:5144

約数の個数: 80

約数和(自身を含む): 227753280

約数和(自身を除く): 142464560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 5101, 8360, 10202, 16720, 20404, 25505, 40808, 51010, 56111, 81616, 96919, 102020, 112222, 193838, 204040, 224444, 280555, 387676, 408080, 448888, 484595, 561110, 775352, 897776, 969190, 1066109, 1122220, 1550704, 1938380, 2132218, 2244440, 3876760, 4264436, 4488880, 5330545, 7753520, 8528872, 10661090, 17057744, 21322180, 42644360, 85288720]

約数ペア:

[(1, 85288720), (2, 42644360), (4, 21322180), (5, 17057744), (8, 10661090), (10, 8528872), (11, 7753520), (16, 5330545), (19, 4488880), (20, 4264436), (22, 3876760), (38, 2244440), (40, 2132218), (44, 1938380), (55, 1550704), (76, 1122220), (80, 1066109), (88, 969190), (95, 897776), (110, 775352), (152, 561110), (176, 484595), (190, 448888), (209, 408080), (220, 387676), (304, 280555), (380, 224444), (418, 204040), (440, 193838), (760, 112222), (836, 102020), (880, 96919), (1045, 81616), (1520, 56111), (1672, 51010), (2090, 40808), (3344, 25505), (4180, 20404), (5101, 16720), (8360, 10202)]