39758080

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 96579000

約数和(自身を除く): 56820920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 349, 356, 445, 640, 698, 712, 890, 1280, 1396, 1424, 1745, 1780, 2792, 2848, 3490, 3560, 5584, 5696, 6980, 7120, 11168, 11392, 13960, 14240, 22336, 22784, 27920, 28480, 31061, 44672, 55840, 56960, 62122, 89344, 111680, 113920, 124244, 155305, 223360, 248488, 310610, 446720, 496976, 621220, 993952, 1242440, 1987904, 2484880, 3975808, 4969760, 7951616, 9939520, 19879040, 39758080]

約数ペア:

[(1, 39758080), (2, 19879040), (4, 9939520), (5, 7951616), (8, 4969760), (10, 3975808), (16, 2484880), (20, 1987904), (32, 1242440), (40, 993952), (64, 621220), (80, 496976), (89, 446720), (128, 310610), (160, 248488), (178, 223360), (256, 155305), (320, 124244), (349, 113920), (356, 111680), (445, 89344), (640, 62122), (698, 56960), (712, 55840), (890, 44672), (1280, 31061), (1396, 28480), (1424, 27920), (1745, 22784), (1780, 22336), (2792, 14240), (2848, 13960), (3490, 11392), (3560, 11168), (5584, 7120), (5696, 6980)]