259835200

素因数分解:

$2^6\times 5^2\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:920

約数の個数: 84

約数和(自身を含む): 642896352

約数和(自身を除く): 383061152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 251, 320, 400, 502, 647, 800, 1004, 1255, 1294, 1600, 2008, 2510, 2588, 3235, 4016, 5020, 5176, 6275, 6470, 8032, 10040, 10352, 12550, 12940, 16064, 16175, 20080, 20704, 25100, 25880, 32350, 40160, 41408, 50200, 51760, 64700, 80320, 100400, 103520, 129400, 162397, 200800, 207040, 258800, 324794, 401600, 517600, 649588, 811985, 1035200, 1299176, 1623970, 2598352, 3247940, 4059925, 5196704, 6495880, 8119850, 10393408, 12991760, 16239700, 25983520, 32479400, 51967040, 64958800, 129917600, 259835200]

約数ペア:

[(1, 259835200), (2, 129917600), (4, 64958800), (5, 51967040), (8, 32479400), (10, 25983520), (16, 16239700), (20, 12991760), (25, 10393408), (32, 8119850), (40, 6495880), (50, 5196704), (64, 4059925), (80, 3247940), (100, 2598352), (160, 1623970), (200, 1299176), (251, 1035200), (320, 811985), (400, 649588), (502, 517600), (647, 401600), (800, 324794), (1004, 258800), (1255, 207040), (1294, 200800), (1600, 162397), (2008, 129400), (2510, 103520), (2588, 100400), (3235, 80320), (4016, 64700), (5020, 51760), (5176, 50200), (6275, 41408), (6470, 40160), (8032, 32350), (10040, 25880), (10352, 25100), (12550, 20704), (12940, 20080), (16064, 16175)]