164917600

素因数分解:

$2^5\times 5^2\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1208

約数の個数: 72

約数和(自身を含む): 404927208

約数和(自身を除く): 240009608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 211, 400, 422, 800, 844, 977, 1055, 1688, 1954, 2110, 3376, 3908, 4220, 4885, 5275, 6752, 7816, 8440, 9770, 10550, 15632, 16880, 19540, 21100, 24425, 31264, 33760, 39080, 42200, 48850, 78160, 84400, 97700, 156320, 168800, 195400, 206147, 390800, 412294, 781600, 824588, 1030735, 1649176, 2061470, 3298352, 4122940, 5153675, 6596704, 8245880, 10307350, 16491760, 20614700, 32983520, 41229400, 82458800, 164917600]

約数ペア:

[(1, 164917600), (2, 82458800), (4, 41229400), (5, 32983520), (8, 20614700), (10, 16491760), (16, 10307350), (20, 8245880), (25, 6596704), (32, 5153675), (40, 4122940), (50, 3298352), (80, 2061470), (100, 1649176), (160, 1030735), (200, 824588), (211, 781600), (400, 412294), (422, 390800), (800, 206147), (844, 195400), (977, 168800), (1055, 156320), (1688, 97700), (1954, 84400), (2110, 78160), (3376, 48850), (3908, 42200), (4220, 39080), (4885, 33760), (5275, 31264), (6752, 24425), (7816, 21100), (8440, 19540), (9770, 16880), (10550, 15632)]