68775040

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2681

約数の個数: 64

約数和(自身を含む): 168489720

約数和(自身を除く): 99714680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2621, 2624, 3280, 5242, 5248, 6560, 10484, 13105, 13120, 20968, 26210, 26240, 41936, 52420, 83872, 104840, 107461, 167744, 209680, 214922, 335488, 419360, 429844, 537305, 838720, 859688, 1074610, 1677440, 1719376, 2149220, 3438752, 4298440, 6877504, 8596880, 13755008, 17193760, 34387520, 68775040]

約数ペア:

[(1, 68775040), (2, 34387520), (4, 17193760), (5, 13755008), (8, 8596880), (10, 6877504), (16, 4298440), (20, 3438752), (32, 2149220), (40, 1719376), (41, 1677440), (64, 1074610), (80, 859688), (82, 838720), (128, 537305), (160, 429844), (164, 419360), (205, 335488), (320, 214922), (328, 209680), (410, 167744), (640, 107461), (656, 104840), (820, 83872), (1312, 52420), (1640, 41936), (2621, 26240), (2624, 26210), (3280, 20968), (5242, 13120), (5248, 13105), (6560, 10484)]