52803406640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{30911}}^1$

素因数の和:31218

約数の個数: 80

約数和(自身を含む): 124468033536

約数和(自身を除く): 71664626896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 163, 262, 326, 524, 652, 655, 815, 1048, 1304, 1310, 1630, 2096, 2608, 2620, 3260, 5240, 6520, 10480, 13040, 21353, 30911, 42706, 61822, 85412, 106765, 123644, 154555, 170824, 213530, 247288, 309110, 341648, 427060, 494576, 618220, 854120, 1236440, 1708240, 2472880, 4049341, 5038493, 8098682, 10076986, 16197364, 20153972, 20246705, 25192465, 32394728, 40307944, 40493410, 50384930, 64789456, 80615888, 80986820, 100769860, 161973640, 201539720, 323947280, 403079440, 660042583, 1320085166, 2640170332, 3300212915, 5280340664, 6600425830, 10560681328, 13200851660, 26401703320, 52803406640]

約数ペア:

[(1, 52803406640), (2, 26401703320), (4, 13200851660), (5, 10560681328), (8, 6600425830), (10, 5280340664), (16, 3300212915), (20, 2640170332), (40, 1320085166), (80, 660042583), (131, 403079440), (163, 323947280), (262, 201539720), (326, 161973640), (524, 100769860), (652, 80986820), (655, 80615888), (815, 64789456), (1048, 50384930), (1304, 40493410), (1310, 40307944), (1630, 32394728), (2096, 25192465), (2608, 20246705), (2620, 20153972), (3260, 16197364), (5240, 10076986), (6520, 8098682), (10480, 5038493), (13040, 4049341), (21353, 2472880), (30911, 1708240), (42706, 1236440), (61822, 854120), (85412, 618220), (106765, 494576), (123644, 427060), (154555, 341648), (170824, 309110), (213530, 247288)]