39289840

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 91610208

約数和(自身を除く): 52320368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 743, 1322, 1486, 2644, 2972, 3305, 3715, 5288, 5944, 6610, 7430, 10576, 11888, 13220, 14860, 26440, 29720, 52880, 59440, 491123, 982246, 1964492, 2455615, 3928984, 4911230, 7857968, 9822460, 19644920, 39289840]

約数ペア:

[(1, 39289840), (2, 19644920), (4, 9822460), (5, 7857968), (8, 4911230), (10, 3928984), (16, 2455615), (20, 1964492), (40, 982246), (80, 491123), (661, 59440), (743, 52880), (1322, 29720), (1486, 26440), (2644, 14860), (2972, 13220), (3305, 11888), (3715, 10576), (5288, 7430), (5944, 6610)]