8491904720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{8963}}^1$

素因数の和:9900

約数の個数: 80

約数和(自身を含む): 21288137472

約数和(自身を除く): 12796232752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 911, 1040, 1822, 3644, 4555, 7288, 8963, 9110, 11843, 14576, 17926, 18220, 23686, 35852, 36440, 44815, 47372, 59215, 71704, 72880, 89630, 94744, 116519, 118430, 143408, 179260, 189488, 233038, 236860, 358520, 466076, 473720, 582595, 717040, 932152, 947440, 1165190, 1864304, 2330380, 4660760, 8165293, 9321520, 16330586, 32661172, 40826465, 65322344, 81652930, 106148809, 130644688, 163305860, 212297618, 326611720, 424595236, 530744045, 653223440, 849190472, 1061488090, 1698380944, 2122976180, 4245952360, 8491904720]

約数ペア:

[(1, 8491904720), (2, 4245952360), (4, 2122976180), (5, 1698380944), (8, 1061488090), (10, 849190472), (13, 653223440), (16, 530744045), (20, 424595236), (26, 326611720), (40, 212297618), (52, 163305860), (65, 130644688), (80, 106148809), (104, 81652930), (130, 65322344), (208, 40826465), (260, 32661172), (520, 16330586), (911, 9321520), (1040, 8165293), (1822, 4660760), (3644, 2330380), (4555, 1864304), (7288, 1165190), (8963, 947440), (9110, 932152), (11843, 717040), (14576, 582595), (17926, 473720), (18220, 466076), (23686, 358520), (35852, 236860), (36440, 233038), (44815, 189488), (47372, 179260), (59215, 143408), (71704, 118430), (72880, 116519), (89630, 94744)]