89655040

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 217440720

約数和(自身を除く): 127785680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 787, 890, 1280, 1424, 1574, 1780, 2848, 3148, 3560, 3935, 5696, 6296, 7120, 7870, 11392, 12592, 14240, 15740, 22784, 25184, 28480, 31480, 50368, 56960, 62960, 70043, 100736, 113920, 125920, 140086, 201472, 251840, 280172, 350215, 503680, 560344, 700430, 1007360, 1120688, 1400860, 2241376, 2801720, 4482752, 5603440, 8965504, 11206880, 17931008, 22413760, 44827520, 89655040]

約数ペア:

[(1, 89655040), (2, 44827520), (4, 22413760), (5, 17931008), (8, 11206880), (10, 8965504), (16, 5603440), (20, 4482752), (32, 2801720), (40, 2241376), (64, 1400860), (80, 1120688), (89, 1007360), (128, 700430), (160, 560344), (178, 503680), (256, 350215), (320, 280172), (356, 251840), (445, 201472), (640, 140086), (712, 125920), (787, 113920), (890, 100736), (1280, 70043), (1424, 62960), (1574, 56960), (1780, 50368), (2848, 31480), (3148, 28480), (3560, 25184), (3935, 22784), (5696, 15740), (6296, 14240), (7120, 12592), (7870, 11392)]