89921320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 207910800

約数和(自身を除く): 117989480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 244, 269, 274, 305, 488, 538, 548, 610, 685, 1076, 1096, 1220, 1345, 1370, 2152, 2440, 2690, 2740, 5380, 5480, 8357, 10760, 16409, 16714, 32818, 33428, 36853, 41785, 65636, 66856, 73706, 82045, 83570, 131272, 147412, 164090, 167140, 184265, 294824, 328180, 334280, 368530, 656360, 737060, 1474120, 2248033, 4496066, 8992132, 11240165, 17984264, 22480330, 44960660, 89921320]

約数ペア:

[(1, 89921320), (2, 44960660), (4, 22480330), (5, 17984264), (8, 11240165), (10, 8992132), (20, 4496066), (40, 2248033), (61, 1474120), (122, 737060), (137, 656360), (244, 368530), (269, 334280), (274, 328180), (305, 294824), (488, 184265), (538, 167140), (548, 164090), (610, 147412), (685, 131272), (1076, 83570), (1096, 82045), (1220, 73706), (1345, 66856), (1370, 65636), (2152, 41785), (2440, 36853), (2690, 33428), (2740, 32818), (5380, 16714), (5480, 16409), (8357, 10760)]