53307440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7487}}^1$

素因数の和:7589

約数の個数: 40

約数和(自身を含む): 125349120

約数和(自身を除く): 72041680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7487, 14974, 29948, 37435, 59896, 74870, 119792, 149740, 299480, 598960, 666343, 1332686, 2665372, 3331715, 5330744, 6663430, 10661488, 13326860, 26653720, 53307440]

約数ペア:

[(1, 53307440), (2, 26653720), (4, 13326860), (5, 10661488), (8, 6663430), (10, 5330744), (16, 3331715), (20, 2665372), (40, 1332686), (80, 666343), (89, 598960), (178, 299480), (356, 149740), (445, 119792), (712, 74870), (890, 59896), (1424, 37435), (1780, 29948), (3560, 14974), (7120, 7487)]