18565651120

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2253113}}^1$

素因数の和:2253229

約数の個数: 40

約数和(自身を含む): 43584237216

約数和(自身を除く): 25018586096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 2253113, 4506226, 9012452, 11265565, 18024904, 22531130, 36049808, 45062260, 90124520, 180249040, 232070639, 464141278, 928282556, 1160353195, 1856565112, 2320706390, 3713130224, 4641412780, 9282825560, 18565651120]

約数ペア:

[(1, 18565651120), (2, 9282825560), (4, 4641412780), (5, 3713130224), (8, 2320706390), (10, 1856565112), (16, 1160353195), (20, 928282556), (40, 464141278), (80, 232070639), (103, 180249040), (206, 90124520), (412, 45062260), (515, 36049808), (824, 22531130), (1030, 18024904), (1648, 11265565), (2060, 9012452), (4120, 4506226), (8240, 2253113)]