40045720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7036

約数の個数: 64

約数和(自身を含む): 105870240

約数和(自身を除く): 65824520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 7001, 14002, 28004, 35005, 56008, 70010, 77011, 91013, 140020, 154022, 182026, 280040, 308044, 364052, 385055, 455065, 616088, 728104, 770110, 910130, 1001143, 1540220, 1820260, 2002286, 3080440, 3640520, 4004572, 5005715, 8009144, 10011430, 20022860, 40045720]

約数ペア:

[(1, 40045720), (2, 20022860), (4, 10011430), (5, 8009144), (8, 5005715), (10, 4004572), (11, 3640520), (13, 3080440), (20, 2002286), (22, 1820260), (26, 1540220), (40, 1001143), (44, 910130), (52, 770110), (55, 728104), (65, 616088), (88, 455065), (104, 385055), (110, 364052), (130, 308044), (143, 280040), (220, 182026), (260, 154022), (286, 140020), (440, 91013), (520, 77011), (572, 70010), (715, 56008), (1144, 35005), (1430, 28004), (2860, 14002), (5720, 7001)]