16798520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10243}}^1$

素因数の和:10295

約数の個数: 32

約数和(自身を含む): 38722320

約数和(自身を除く): 21923800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 10243, 20486, 40972, 51215, 81944, 102430, 204860, 409720, 419963, 839926, 1679852, 2099815, 3359704, 4199630, 8399260, 16798520]

約数ペア:

[(1, 16798520), (2, 8399260), (4, 4199630), (5, 3359704), (8, 2099815), (10, 1679852), (20, 839926), (40, 419963), (41, 409720), (82, 204860), (164, 102430), (205, 81944), (328, 51215), (410, 40972), (820, 20486), (1640, 10243)]