40802011780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{293413}}^1$

素因数の和:293848

約数の個数: 48

約数和(自身を含む): 90946603440

約数和(自身を除く): 50144591660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 818, 1636, 2045, 4090, 6953, 8180, 13906, 27812, 34765, 69530, 139060, 293413, 586826, 1173652, 1467065, 2934130, 4988021, 5868260, 9976042, 19952084, 24940105, 49880210, 99760420, 120005917, 240011834, 480023668, 600029585, 1200059170, 2040100589, 2400118340, 4080201178, 8160402356, 10200502945, 20401005890, 40802011780]

約数ペア:

[(1, 40802011780), (2, 20401005890), (4, 10200502945), (5, 8160402356), (10, 4080201178), (17, 2400118340), (20, 2040100589), (34, 1200059170), (68, 600029585), (85, 480023668), (170, 240011834), (340, 120005917), (409, 99760420), (818, 49880210), (1636, 24940105), (2045, 19952084), (4090, 9976042), (6953, 5868260), (8180, 4988021), (13906, 2934130), (27812, 1467065), (34765, 1173652), (69530, 586826), (139060, 293413)]