104398720

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 251409600

約数和(自身を除く): 147010880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 785, 1039, 1256, 1570, 2078, 2512, 3140, 4156, 5024, 5195, 6280, 8312, 10048, 10390, 12560, 16624, 20096, 20780, 25120, 33248, 41560, 50240, 66496, 83120, 100480, 132992, 163123, 166240, 326246, 332480, 652492, 664960, 815615, 1304984, 1631230, 2609968, 3262460, 5219936, 6524920, 10439872, 13049840, 20879744, 26099680, 52199360, 104398720]

約数ペア:

[(1, 104398720), (2, 52199360), (4, 26099680), (5, 20879744), (8, 13049840), (10, 10439872), (16, 6524920), (20, 5219936), (32, 3262460), (40, 2609968), (64, 1631230), (80, 1304984), (128, 815615), (157, 664960), (160, 652492), (314, 332480), (320, 326246), (628, 166240), (640, 163123), (785, 132992), (1039, 100480), (1256, 83120), (1570, 66496), (2078, 50240), (2512, 41560), (3140, 33248), (4156, 25120), (5024, 20780), (5195, 20096), (6280, 16624), (8312, 12560), (10048, 10390)]