39453440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 101815728

約数和(自身を除く): 62362288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2371, 3328, 4160, 4742, 8320, 9484, 11855, 16640, 18968, 23710, 30823, 37936, 47420, 61646, 75872, 94840, 123292, 151744, 154115, 189680, 246584, 303488, 308230, 379360, 493168, 606976, 616460, 758720, 986336, 1232920, 1517440, 1972672, 2465840, 3034880, 3945344, 4931680, 7890688, 9863360, 19726720, 39453440]

約数ペア:

[(1, 39453440), (2, 19726720), (4, 9863360), (5, 7890688), (8, 4931680), (10, 3945344), (13, 3034880), (16, 2465840), (20, 1972672), (26, 1517440), (32, 1232920), (40, 986336), (52, 758720), (64, 616460), (65, 606976), (80, 493168), (104, 379360), (128, 308230), (130, 303488), (160, 246584), (208, 189680), (256, 154115), (260, 151744), (320, 123292), (416, 94840), (520, 75872), (640, 61646), (832, 47420), (1040, 37936), (1280, 30823), (1664, 23710), (2080, 18968), (2371, 16640), (3328, 11855), (4160, 9484), (4742, 8320)]