38740480

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 95630040

約数和(自身を除く): 56889560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 409, 512, 592, 640, 740, 818, 1184, 1280, 1480, 1636, 2045, 2368, 2560, 2960, 3272, 4090, 4736, 5920, 6544, 8180, 9472, 11840, 13088, 15133, 16360, 18944, 23680, 26176, 30266, 32720, 47360, 52352, 60532, 65440, 75665, 94720, 104704, 121064, 130880, 151330, 209408, 242128, 261760, 302660, 484256, 523520, 605320, 968512, 1047040, 1210640, 1937024, 2421280, 3874048, 4842560, 7748096, 9685120, 19370240, 38740480]

約数ペア:

[(1, 38740480), (2, 19370240), (4, 9685120), (5, 7748096), (8, 4842560), (10, 3874048), (16, 2421280), (20, 1937024), (32, 1210640), (37, 1047040), (40, 968512), (64, 605320), (74, 523520), (80, 484256), (128, 302660), (148, 261760), (160, 242128), (185, 209408), (256, 151330), (296, 130880), (320, 121064), (370, 104704), (409, 94720), (512, 75665), (592, 65440), (640, 60532), (740, 52352), (818, 47360), (1184, 32720), (1280, 30266), (1480, 26176), (1636, 23680), (2045, 18944), (2368, 16360), (2560, 15133), (2960, 13088), (3272, 11840), (4090, 9472), (4736, 8180), (5920, 6544)]