207804160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5237}}^1$

素因数の和:5289

約数の個数: 72

約数和(自身を含む): 513910656

約数和(自身を除く): 306106496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5237, 7936, 9920, 10474, 19840, 20948, 26185, 39680, 41896, 52370, 83792, 104740, 162347, 167584, 209480, 324694, 335168, 418960, 649388, 670336, 811735, 837920, 1298776, 1340672, 1623470, 1675840, 2597552, 3246940, 3351680, 5195104, 6493880, 6703360, 10390208, 12987760, 20780416, 25975520, 41560832, 51951040, 103902080, 207804160]

約数ペア:

[(1, 207804160), (2, 103902080), (4, 51951040), (5, 41560832), (8, 25975520), (10, 20780416), (16, 12987760), (20, 10390208), (31, 6703360), (32, 6493880), (40, 5195104), (62, 3351680), (64, 3246940), (80, 2597552), (124, 1675840), (128, 1623470), (155, 1340672), (160, 1298776), (248, 837920), (256, 811735), (310, 670336), (320, 649388), (496, 418960), (620, 335168), (640, 324694), (992, 209480), (1240, 167584), (1280, 162347), (1984, 104740), (2480, 83792), (3968, 52370), (4960, 41896), (5237, 39680), (7936, 26185), (9920, 20948), (10474, 19840)]