39859840

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1101

約数の個数: 64

約数和(自身を含む): 96946920

約数和(自身を除く): 57087080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1021, 1220, 1952, 2042, 2440, 3904, 4084, 4880, 5105, 7808, 8168, 9760, 10210, 16336, 19520, 20420, 32672, 39040, 40840, 62281, 65344, 81680, 124562, 130688, 163360, 249124, 311405, 326720, 498248, 622810, 653440, 996496, 1245620, 1992992, 2491240, 3985984, 4982480, 7971968, 9964960, 19929920, 39859840]

約数ペア:

[(1, 39859840), (2, 19929920), (4, 9964960), (5, 7971968), (8, 4982480), (10, 3985984), (16, 2491240), (20, 1992992), (32, 1245620), (40, 996496), (61, 653440), (64, 622810), (80, 498248), (122, 326720), (128, 311405), (160, 249124), (244, 163360), (305, 130688), (320, 124562), (488, 81680), (610, 65344), (640, 62281), (976, 40840), (1021, 39040), (1220, 32672), (1952, 20420), (2042, 19520), (2440, 16336), (3904, 10210), (4084, 9760), (4880, 8168), (5105, 7808)]