163937920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8313

約数の個数: 64

約数和(自身を含む): 404605440

約数和(自身を除く): 240667520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8263, 9920, 16526, 19840, 33052, 41315, 66104, 82630, 132208, 165260, 256153, 264416, 330520, 512306, 528832, 661040, 1024612, 1057664, 1280765, 1322080, 2049224, 2561530, 2644160, 4098448, 5123060, 5288320, 8196896, 10246120, 16393792, 20492240, 32787584, 40984480, 81968960, 163937920]

約数ペア:

[(1, 163937920), (2, 81968960), (4, 40984480), (5, 32787584), (8, 20492240), (10, 16393792), (16, 10246120), (20, 8196896), (31, 5288320), (32, 5123060), (40, 4098448), (62, 2644160), (64, 2561530), (80, 2049224), (124, 1322080), (128, 1280765), (155, 1057664), (160, 1024612), (248, 661040), (310, 528832), (320, 512306), (496, 330520), (620, 264416), (640, 256153), (992, 165260), (1240, 132208), (1984, 82630), (2480, 66104), (3968, 41315), (4960, 33052), (8263, 19840), (9920, 16526)]