80267650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 155782440

約数和(自身を除く): 75514790

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 197, 281, 290, 394, 562, 725, 985, 1405, 1450, 1970, 2810, 4925, 5713, 7025, 8149, 9850, 11426, 14050, 16298, 28565, 40745, 55357, 57130, 81490, 110714, 142825, 203725, 276785, 285650, 407450, 553570, 1383925, 1605353, 2767850, 3210706, 8026765, 16053530, 40133825, 80267650]

約数ペア:

[(1, 80267650), (2, 40133825), (5, 16053530), (10, 8026765), (25, 3210706), (29, 2767850), (50, 1605353), (58, 1383925), (145, 553570), (197, 407450), (281, 285650), (290, 276785), (394, 203725), (562, 142825), (725, 110714), (985, 81490), (1405, 57130), (1450, 55357), (1970, 40745), (2810, 28565), (4925, 16298), (5713, 14050), (7025, 11426), (8149, 9850)]