39875560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 94867200

約数和(自身を除く): 54991640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 487, 712, 890, 920, 974, 1780, 1948, 2047, 2435, 3560, 3896, 4094, 4870, 8188, 9740, 10235, 11201, 16376, 19480, 20470, 22402, 40940, 43343, 44804, 56005, 81880, 86686, 89608, 112010, 173372, 216715, 224020, 346744, 433430, 448040, 866860, 996889, 1733720, 1993778, 3987556, 4984445, 7975112, 9968890, 19937780, 39875560]

約数ペア:

[(1, 39875560), (2, 19937780), (4, 9968890), (5, 7975112), (8, 4984445), (10, 3987556), (20, 1993778), (23, 1733720), (40, 996889), (46, 866860), (89, 448040), (92, 433430), (115, 346744), (178, 224020), (184, 216715), (230, 173372), (356, 112010), (445, 89608), (460, 86686), (487, 81880), (712, 56005), (890, 44804), (920, 43343), (974, 40940), (1780, 22402), (1948, 20470), (2047, 19480), (2435, 16376), (3560, 11201), (3896, 10235), (4094, 9740), (4870, 8188)]