164039360

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12503}}^1$

素因数の和:12561

約数の個数: 56

約数和(自身を含む): 400178016

約数和(自身を除く): 236138656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 12503, 13120, 25006, 50012, 62515, 100024, 125030, 200048, 250060, 400096, 500120, 512623, 800192, 1000240, 1025246, 2000480, 2050492, 2563115, 4000960, 4100984, 5126230, 8201968, 10252460, 16403936, 20504920, 32807872, 41009840, 82019680, 164039360]

約数ペア:

[(1, 164039360), (2, 82019680), (4, 41009840), (5, 32807872), (8, 20504920), (10, 16403936), (16, 10252460), (20, 8201968), (32, 5126230), (40, 4100984), (41, 4000960), (64, 2563115), (80, 2050492), (82, 2000480), (160, 1025246), (164, 1000240), (205, 800192), (320, 512623), (328, 500120), (410, 400096), (656, 250060), (820, 200048), (1312, 125030), (1640, 100024), (2624, 62515), (3280, 50012), (6560, 25006), (12503, 13120)]