39399640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 101928960

約数和(自身を除く): 62529320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 631, 892, 1115, 1262, 1561, 1784, 2230, 2524, 3122, 3155, 4417, 4460, 5048, 6244, 6310, 7805, 8834, 8920, 12488, 12620, 15610, 17668, 22085, 25240, 31220, 35336, 44170, 62440, 88340, 140713, 176680, 281426, 562852, 703565, 984991, 1125704, 1407130, 1969982, 2814260, 3939964, 4924955, 5628520, 7879928, 9849910, 19699820, 39399640]

約数ペア:

[(1, 39399640), (2, 19699820), (4, 9849910), (5, 7879928), (7, 5628520), (8, 4924955), (10, 3939964), (14, 2814260), (20, 1969982), (28, 1407130), (35, 1125704), (40, 984991), (56, 703565), (70, 562852), (140, 281426), (223, 176680), (280, 140713), (446, 88340), (631, 62440), (892, 44170), (1115, 35336), (1262, 31220), (1561, 25240), (1784, 22085), (2230, 17668), (2524, 15610), (3122, 12620), (3155, 12488), (4417, 8920), (4460, 8834), (5048, 7805), (6244, 6310)]