257001138560

素因数分解:

$2^7\times 5^1\times {\mathrm{25889}}^1\times {\mathrm{15511}}^1$

素因数の和:41419

約数の個数: 64

約数和(自身を含む): 614456690400

約数和(自身を除く): 357455551840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 15511, 25889, 31022, 51778, 62044, 77555, 103556, 124088, 129445, 155110, 207112, 248176, 258890, 310220, 414224, 496352, 517780, 620440, 828448, 992704, 1035560, 1240880, 1656896, 1985408, 2071120, 2481760, 3313792, 4142240, 4963520, 8284480, 9927040, 16568960, 401564279, 803128558, 1606257116, 2007821395, 3212514232, 4015642790, 6425028464, 8031285580, 12850056928, 16062571160, 25700113856, 32125142320, 51400227712, 64250284640, 128500569280, 257001138560]

約数ペア:

[(1, 257001138560), (2, 128500569280), (4, 64250284640), (5, 51400227712), (8, 32125142320), (10, 25700113856), (16, 16062571160), (20, 12850056928), (32, 8031285580), (40, 6425028464), (64, 4015642790), (80, 3212514232), (128, 2007821395), (160, 1606257116), (320, 803128558), (640, 401564279), (15511, 16568960), (25889, 9927040), (31022, 8284480), (51778, 4963520), (62044, 4142240), (77555, 3313792), (103556, 2481760), (124088, 2071120), (129445, 1985408), (155110, 1656896), (207112, 1240880), (248176, 1035560), (258890, 992704), (310220, 828448), (414224, 620440), (496352, 517780)]