39811980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1255

約数の個数: 96

約数和(自身を含む): 122943744

約数和(自身を除く): 83131764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1187, 1290, 1677, 2236, 2374, 2580, 2795, 3354, 3561, 4748, 5590, 5935, 6708, 7122, 8385, 11180, 11870, 14244, 15431, 16770, 17805, 23740, 30862, 33540, 35610, 46293, 51041, 61724, 71220, 77155, 92586, 102082, 153123, 154310, 185172, 204164, 231465, 255205, 306246, 308620, 462930, 510410, 612492, 663533, 765615, 925860, 1020820, 1327066, 1531230, 1990599, 2654132, 3062460, 3317665, 3981198, 6635330, 7962396, 9952995, 13270660, 19905990, 39811980]

約数ペア:

[(1, 39811980), (2, 19905990), (3, 13270660), (4, 9952995), (5, 7962396), (6, 6635330), (10, 3981198), (12, 3317665), (13, 3062460), (15, 2654132), (20, 1990599), (26, 1531230), (30, 1327066), (39, 1020820), (43, 925860), (52, 765615), (60, 663533), (65, 612492), (78, 510410), (86, 462930), (129, 308620), (130, 306246), (156, 255205), (172, 231465), (195, 204164), (215, 185172), (258, 154310), (260, 153123), (390, 102082), (430, 92586), (516, 77155), (559, 71220), (645, 61724), (780, 51041), (860, 46293), (1118, 35610), (1187, 33540), (1290, 30862), (1677, 23740), (2236, 17805), (2374, 16770), (2580, 15431), (2795, 14244), (3354, 11870), (3561, 11180), (4748, 8385), (5590, 7122), (5935, 6708)]