43512820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 99440208

約数和(自身を除く): 55927388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 1657, 2020, 2626, 3314, 5252, 6565, 6628, 8285, 13130, 16570, 21541, 26260, 33140, 43082, 86164, 107705, 167357, 215410, 334714, 430820, 669428, 836785, 1673570, 2175641, 3347140, 4351282, 8702564, 10878205, 21756410, 43512820]

約数ペア:

[(1, 43512820), (2, 21756410), (4, 10878205), (5, 8702564), (10, 4351282), (13, 3347140), (20, 2175641), (26, 1673570), (52, 836785), (65, 669428), (101, 430820), (130, 334714), (202, 215410), (260, 167357), (404, 107705), (505, 86164), (1010, 43082), (1313, 33140), (1657, 26260), (2020, 21541), (2626, 16570), (3314, 13130), (5252, 8285), (6565, 6628)]