91708240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 232016400

約数和(自身を除く): 140308160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 809, 872, 1040, 1090, 1417, 1618, 1744, 2180, 2834, 3236, 4045, 4360, 5668, 6472, 7085, 8090, 8720, 10517, 11336, 12944, 14170, 16180, 21034, 22672, 28340, 32360, 42068, 52585, 56680, 64720, 84136, 88181, 105170, 113360, 168272, 176362, 210340, 352724, 420680, 440905, 705448, 841360, 881810, 1146353, 1410896, 1763620, 2292706, 3527240, 4585412, 5731765, 7054480, 9170824, 11463530, 18341648, 22927060, 45854120, 91708240]

約数ペア:

[(1, 91708240), (2, 45854120), (4, 22927060), (5, 18341648), (8, 11463530), (10, 9170824), (13, 7054480), (16, 5731765), (20, 4585412), (26, 3527240), (40, 2292706), (52, 1763620), (65, 1410896), (80, 1146353), (104, 881810), (109, 841360), (130, 705448), (208, 440905), (218, 420680), (260, 352724), (436, 210340), (520, 176362), (545, 168272), (809, 113360), (872, 105170), (1040, 88181), (1090, 84136), (1417, 64720), (1618, 56680), (1744, 52585), (2180, 42068), (2834, 32360), (3236, 28340), (4045, 22672), (4360, 21034), (5668, 16180), (6472, 14170), (7085, 12944), (8090, 11336), (8720, 10517)]