163260880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65831}}^1$

素因数の和:65875

約数の個数: 40

約数和(自身を含む): 391832064

約数和(自身を除く): 228571184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 65831, 131662, 263324, 329155, 526648, 658310, 1053296, 1316620, 2040761, 2633240, 4081522, 5266480, 8163044, 10203805, 16326088, 20407610, 32652176, 40815220, 81630440, 163260880]

約数ペア:

[(1, 163260880), (2, 81630440), (4, 40815220), (5, 32652176), (8, 20407610), (10, 16326088), (16, 10203805), (20, 8163044), (31, 5266480), (40, 4081522), (62, 2633240), (80, 2040761), (124, 1316620), (155, 1053296), (248, 658310), (310, 526648), (496, 329155), (620, 263324), (1240, 131662), (2480, 65831)]