19797495280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{215753}}^1$

素因数の和:215834

約数の個数: 80

約数和(自身を含む): 48798376704

約数和(自身を除く): 29000881424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2960, 4588, 5735, 9176, 11470, 18352, 22940, 45880, 91760, 215753, 431506, 863012, 1078765, 1726024, 2157530, 3452048, 4315060, 6688343, 7982861, 8630120, 13376686, 15965722, 17260240, 26753372, 31931444, 33441715, 39914305, 53506744, 63862888, 66883430, 79828610, 107013488, 127725776, 133766860, 159657220, 247468691, 267533720, 319314440, 494937382, 535067440, 638628880, 989874764, 1237343455, 1979749528, 2474686910, 3959499056, 4949373820, 9898747640, 19797495280]

約数ペア:

[(1, 19797495280), (2, 9898747640), (4, 4949373820), (5, 3959499056), (8, 2474686910), (10, 1979749528), (16, 1237343455), (20, 989874764), (31, 638628880), (37, 535067440), (40, 494937382), (62, 319314440), (74, 267533720), (80, 247468691), (124, 159657220), (148, 133766860), (155, 127725776), (185, 107013488), (248, 79828610), (296, 66883430), (310, 63862888), (370, 53506744), (496, 39914305), (592, 33441715), (620, 31931444), (740, 26753372), (1147, 17260240), (1240, 15965722), (1480, 13376686), (2294, 8630120), (2480, 7982861), (2960, 6688343), (4588, 4315060), (5735, 3452048), (9176, 2157530), (11470, 1726024), (18352, 1078765), (22940, 863012), (45880, 431506), (91760, 215753)]