42661580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 102359040

約数和(自身を除く): 59697460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 79, 124, 130, 134, 155, 158, 260, 268, 310, 316, 335, 395, 403, 620, 670, 790, 806, 871, 1027, 1340, 1580, 1612, 1742, 2015, 2054, 2077, 2449, 3484, 4030, 4108, 4154, 4355, 4898, 5135, 5293, 8060, 8308, 8710, 9796, 10270, 10385, 10586, 12245, 17420, 20540, 20770, 21172, 24490, 26465, 27001, 31837, 41540, 48980, 52930, 54002, 63674, 68809, 105860, 108004, 127348, 135005, 137618, 159185, 164083, 270010, 275236, 318370, 328166, 344045, 540020, 636740, 656332, 688090, 820415, 1376180, 1640830, 2133079, 3281660, 4266158, 8532316, 10665395, 21330790, 42661580]

約数ペア:

[(1, 42661580), (2, 21330790), (4, 10665395), (5, 8532316), (10, 4266158), (13, 3281660), (20, 2133079), (26, 1640830), (31, 1376180), (52, 820415), (62, 688090), (65, 656332), (67, 636740), (79, 540020), (124, 344045), (130, 328166), (134, 318370), (155, 275236), (158, 270010), (260, 164083), (268, 159185), (310, 137618), (316, 135005), (335, 127348), (395, 108004), (403, 105860), (620, 68809), (670, 63674), (790, 54002), (806, 52930), (871, 48980), (1027, 41540), (1340, 31837), (1580, 27001), (1612, 26465), (1742, 24490), (2015, 21172), (2054, 20770), (2077, 20540), (2449, 17420), (3484, 12245), (4030, 10586), (4108, 10385), (4154, 10270), (4355, 9796), (4898, 8710), (5135, 8308), (5293, 8060)]