16564720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2621}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 39015360

約数和(自身を除く): 22450640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2621, 3160, 5242, 6320, 10484, 13105, 20968, 26210, 41936, 52420, 104840, 207059, 209680, 414118, 828236, 1035295, 1656472, 2070590, 3312944, 4141180, 8282360, 16564720]

約数ペア:

[(1, 16564720), (2, 8282360), (4, 4141180), (5, 3312944), (8, 2070590), (10, 1656472), (16, 1035295), (20, 828236), (40, 414118), (79, 209680), (80, 207059), (158, 104840), (316, 52420), (395, 41936), (632, 26210), (790, 20968), (1264, 13105), (1580, 10484), (2621, 6320), (3160, 5242)]