40208272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3169}}^1$

素因数の和:3251

約数の個数: 40

約数和(自身を含む): 85298360

約数和(自身を除く): 45090088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3169, 3172, 6338, 6344, 12676, 12688, 25352, 41197, 50704, 82394, 164788, 193309, 329576, 386618, 659152, 773236, 1546472, 2513017, 3092944, 5026034, 10052068, 20104136, 40208272]

約数ペア:

[(1, 40208272), (2, 20104136), (4, 10052068), (8, 5026034), (13, 3092944), (16, 2513017), (26, 1546472), (52, 773236), (61, 659152), (104, 386618), (122, 329576), (208, 193309), (244, 164788), (488, 82394), (793, 50704), (976, 41197), (1586, 25352), (3169, 12688), (3172, 12676), (6338, 6344)]