45107920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3980

約数の個数: 80

約数和(自身を含む): 123242112

約数和(自身を除く): 78134192

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 3943, 5720, 7886, 11440, 15772, 19715, 31544, 39430, 43373, 51259, 63088, 78860, 86746, 102518, 157720, 173492, 205036, 216865, 256295, 315440, 346984, 410072, 433730, 512590, 563849, 693968, 820144, 867460, 1025180, 1127698, 1734920, 2050360, 2255396, 2819245, 3469840, 4100720, 4510792, 5638490, 9021584, 11276980, 22553960, 45107920]

約数ペア:

[(1, 45107920), (2, 22553960), (4, 11276980), (5, 9021584), (8, 5638490), (10, 4510792), (11, 4100720), (13, 3469840), (16, 2819245), (20, 2255396), (22, 2050360), (26, 1734920), (40, 1127698), (44, 1025180), (52, 867460), (55, 820144), (65, 693968), (80, 563849), (88, 512590), (104, 433730), (110, 410072), (130, 346984), (143, 315440), (176, 256295), (208, 216865), (220, 205036), (260, 173492), (286, 157720), (440, 102518), (520, 86746), (572, 78860), (715, 63088), (880, 51259), (1040, 43373), (1144, 39430), (1430, 31544), (2288, 19715), (2860, 15772), (3943, 11440), (5720, 7886)]