163888400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31517}}^1$

素因数の和:31548

約数の個数: 60

約数和(自身を含む): 424043172

約数和(自身を除く): 260154772

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 31517, 63034, 126068, 157585, 252136, 315170, 409721, 504272, 630340, 787925, 819442, 1260680, 1575850, 1638884, 2048605, 2521360, 3151700, 3277768, 4097210, 6303400, 6555536, 8194420, 10243025, 12606800, 16388840, 20486050, 32777680, 40972100, 81944200, 163888400]

約数ペア:

[(1, 163888400), (2, 81944200), (4, 40972100), (5, 32777680), (8, 20486050), (10, 16388840), (13, 12606800), (16, 10243025), (20, 8194420), (25, 6555536), (26, 6303400), (40, 4097210), (50, 3277768), (52, 3151700), (65, 2521360), (80, 2048605), (100, 1638884), (104, 1575850), (130, 1260680), (200, 819442), (208, 787925), (260, 630340), (325, 504272), (400, 409721), (520, 315170), (650, 252136), (1040, 157585), (1300, 126068), (2600, 63034), (5200, 31517)]