27809480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 66286080

約数和(自身を除く): 38476600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 547, 620, 820, 1094, 1240, 1271, 1640, 2188, 2542, 2735, 4376, 5084, 5470, 6355, 10168, 10940, 12710, 16957, 21880, 22427, 25420, 33914, 44854, 50840, 67828, 84785, 89708, 112135, 135656, 169570, 179416, 224270, 339140, 448540, 678280, 695237, 897080, 1390474, 2780948, 3476185, 5561896, 6952370, 13904740, 27809480]

約数ペア:

[(1, 27809480), (2, 13904740), (4, 6952370), (5, 5561896), (8, 3476185), (10, 2780948), (20, 1390474), (31, 897080), (40, 695237), (41, 678280), (62, 448540), (82, 339140), (124, 224270), (155, 179416), (164, 169570), (205, 135656), (248, 112135), (310, 89708), (328, 84785), (410, 67828), (547, 50840), (620, 44854), (820, 33914), (1094, 25420), (1240, 22427), (1271, 21880), (1640, 16957), (2188, 12710), (2542, 10940), (2735, 10168), (4376, 6355), (5084, 5470)]