87556420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7027}}^1$

素因数の和:7132

約数の個数: 48

約数和(自身を含む): 212526720

約数和(自身を除く): 124970300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 7027, 12460, 14054, 28108, 35135, 49189, 70270, 98378, 140540, 196756, 245945, 491890, 625403, 983780, 1250806, 2501612, 3127015, 4377821, 6254030, 8755642, 12508060, 17511284, 21889105, 43778210, 87556420]

約数ペア:

[(1, 87556420), (2, 43778210), (4, 21889105), (5, 17511284), (7, 12508060), (10, 8755642), (14, 6254030), (20, 4377821), (28, 3127015), (35, 2501612), (70, 1250806), (89, 983780), (140, 625403), (178, 491890), (356, 245945), (445, 196756), (623, 140540), (890, 98378), (1246, 70270), (1780, 49189), (2492, 35135), (3115, 28108), (6230, 14054), (7027, 12460)]