55320520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 131051520

約数和(自身を除く): 75731000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 314, 383, 460, 628, 766, 785, 920, 1256, 1532, 1570, 1915, 3064, 3140, 3611, 3830, 6280, 7222, 7660, 8809, 14444, 15320, 17618, 18055, 28888, 35236, 36110, 44045, 60131, 70472, 72220, 88090, 120262, 144440, 176180, 240524, 300655, 352360, 481048, 601310, 1202620, 1383013, 2405240, 2766026, 5532052, 6915065, 11064104, 13830130, 27660260, 55320520]

約数ペア:

[(1, 55320520), (2, 27660260), (4, 13830130), (5, 11064104), (8, 6915065), (10, 5532052), (20, 2766026), (23, 2405240), (40, 1383013), (46, 1202620), (92, 601310), (115, 481048), (157, 352360), (184, 300655), (230, 240524), (314, 176180), (383, 144440), (460, 120262), (628, 88090), (766, 72220), (785, 70472), (920, 60131), (1256, 44045), (1532, 36110), (1570, 35236), (1915, 28888), (3064, 18055), (3140, 17618), (3611, 15320), (3830, 14444), (6280, 8809), (7222, 7660)]