28485040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 70227648

約数和(自身を除く): 41742608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 137, 184, 226, 230, 274, 368, 452, 460, 548, 565, 685, 904, 920, 1096, 1130, 1370, 1808, 1840, 2192, 2260, 2599, 2740, 3151, 4520, 5198, 5480, 6302, 9040, 10396, 10960, 12604, 12995, 15481, 15755, 20792, 25208, 25990, 30962, 31510, 41584, 50416, 51980, 61924, 63020, 77405, 103960, 123848, 126040, 154810, 207920, 247696, 252080, 309620, 356063, 619240, 712126, 1238480, 1424252, 1780315, 2848504, 3560630, 5697008, 7121260, 14242520, 28485040]

約数ペア:

[(1, 28485040), (2, 14242520), (4, 7121260), (5, 5697008), (8, 3560630), (10, 2848504), (16, 1780315), (20, 1424252), (23, 1238480), (40, 712126), (46, 619240), (80, 356063), (92, 309620), (113, 252080), (115, 247696), (137, 207920), (184, 154810), (226, 126040), (230, 123848), (274, 103960), (368, 77405), (452, 63020), (460, 61924), (548, 51980), (565, 50416), (685, 41584), (904, 31510), (920, 30962), (1096, 25990), (1130, 25208), (1370, 20792), (1808, 15755), (1840, 15481), (2192, 12995), (2260, 12604), (2599, 10960), (2740, 10396), (3151, 9040), (4520, 6302), (5198, 5480)]