55240120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2656

約数の個数: 64

約数和(自身を含む): 137168640

約数和(自身を除く): 81928520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2591, 2665, 4264, 5182, 5330, 10364, 10660, 12955, 20728, 21320, 25910, 33683, 51820, 67366, 103640, 106231, 134732, 168415, 212462, 269464, 336830, 424924, 531155, 673660, 849848, 1062310, 1347320, 1381003, 2124620, 2762006, 4249240, 5524012, 6905015, 11048024, 13810030, 27620060, 55240120]

約数ペア:

[(1, 55240120), (2, 27620060), (4, 13810030), (5, 11048024), (8, 6905015), (10, 5524012), (13, 4249240), (20, 2762006), (26, 2124620), (40, 1381003), (41, 1347320), (52, 1062310), (65, 849848), (82, 673660), (104, 531155), (130, 424924), (164, 336830), (205, 269464), (260, 212462), (328, 168415), (410, 134732), (520, 106231), (533, 103640), (820, 67366), (1066, 51820), (1640, 33683), (2132, 25910), (2591, 21320), (2665, 20728), (4264, 12955), (5182, 10660), (5330, 10364)]