139381580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17293}}^1$

素因数の和:17346

約数の個数: 48

約数和(自身を含む): 325403904

約数和(自身を除く): 186022324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 17293, 34586, 69172, 86465, 172930, 224809, 345860, 449618, 536083, 899236, 1072166, 1124045, 2144332, 2248090, 2680415, 4496180, 5360830, 6969079, 10721660, 13938158, 27876316, 34845395, 69690790, 139381580]

約数ペア:

[(1, 139381580), (2, 69690790), (4, 34845395), (5, 27876316), (10, 13938158), (13, 10721660), (20, 6969079), (26, 5360830), (31, 4496180), (52, 2680415), (62, 2248090), (65, 2144332), (124, 1124045), (130, 1072166), (155, 899236), (260, 536083), (310, 449618), (403, 345860), (620, 224809), (806, 172930), (1612, 86465), (2015, 69172), (4030, 34586), (8060, 17293)]