4498520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 11219040

約数和(自身を除く): 6720520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 211, 260, 328, 410, 422, 520, 533, 820, 844, 1055, 1066, 1640, 1688, 2110, 2132, 2665, 2743, 4220, 4264, 5330, 5486, 8440, 8651, 10660, 10972, 13715, 17302, 21320, 21944, 27430, 34604, 43255, 54860, 69208, 86510, 109720, 112463, 173020, 224926, 346040, 449852, 562315, 899704, 1124630, 2249260, 4498520]

約数ペア:

[(1, 4498520), (2, 2249260), (4, 1124630), (5, 899704), (8, 562315), (10, 449852), (13, 346040), (20, 224926), (26, 173020), (40, 112463), (41, 109720), (52, 86510), (65, 69208), (82, 54860), (104, 43255), (130, 34604), (164, 27430), (205, 21944), (211, 21320), (260, 17302), (328, 13715), (410, 10972), (422, 10660), (520, 8651), (533, 8440), (820, 5486), (844, 5330), (1055, 4264), (1066, 4220), (1640, 2743), (1688, 2665), (2110, 2132)]