99754880

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1$

素因数の和:2071

約数の個数: 64

約数和(自身を含む): 241617600

約数和(自身を除く): 141862720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 1973, 2528, 3160, 3946, 5056, 6320, 7892, 9865, 10112, 12640, 15784, 19730, 25280, 31568, 39460, 50560, 63136, 78920, 126272, 155867, 157840, 252544, 311734, 315680, 623468, 631360, 779335, 1246936, 1262720, 1558670, 2493872, 3117340, 4987744, 6234680, 9975488, 12469360, 19950976, 24938720, 49877440, 99754880]

約数ペア:

[(1, 99754880), (2, 49877440), (4, 24938720), (5, 19950976), (8, 12469360), (10, 9975488), (16, 6234680), (20, 4987744), (32, 3117340), (40, 2493872), (64, 1558670), (79, 1262720), (80, 1246936), (128, 779335), (158, 631360), (160, 623468), (316, 315680), (320, 311734), (395, 252544), (632, 157840), (640, 155867), (790, 126272), (1264, 78920), (1580, 63136), (1973, 50560), (2528, 39460), (3160, 31568), (3946, 25280), (5056, 19730), (6320, 15784), (7892, 12640), (9865, 10112)]