1608020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 3619728

約数和(自身を除く): 2011708

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 53, 74, 82, 106, 148, 164, 185, 205, 212, 265, 370, 410, 530, 740, 820, 1060, 1517, 1961, 2173, 3034, 3922, 4346, 6068, 7585, 7844, 8692, 9805, 10865, 15170, 19610, 21730, 30340, 39220, 43460, 80401, 160802, 321604, 402005, 804010, 1608020]

約数ペア:

[(1, 1608020), (2, 804010), (4, 402005), (5, 321604), (10, 160802), (20, 80401), (37, 43460), (41, 39220), (53, 30340), (74, 21730), (82, 19610), (106, 15170), (148, 10865), (164, 9805), (185, 8692), (205, 7844), (212, 7585), (265, 6068), (370, 4346), (410, 3922), (530, 3034), (740, 2173), (820, 1961), (1060, 1517)]