87212060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{659}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 197920800

約数和(自身を除く): 110708740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 509, 659, 1018, 1318, 2036, 2545, 2636, 3295, 5090, 6590, 6617, 8567, 10180, 13180, 13234, 17134, 26468, 33085, 34268, 42835, 66170, 85670, 132340, 171340, 335431, 670862, 1341724, 1677155, 3354310, 4360603, 6708620, 8721206, 17442412, 21803015, 43606030, 87212060]

約数ペア:

[(1, 87212060), (2, 43606030), (4, 21803015), (5, 17442412), (10, 8721206), (13, 6708620), (20, 4360603), (26, 3354310), (52, 1677155), (65, 1341724), (130, 670862), (260, 335431), (509, 171340), (659, 132340), (1018, 85670), (1318, 66170), (2036, 42835), (2545, 34268), (2636, 33085), (3295, 26468), (5090, 17134), (6590, 13234), (6617, 13180), (8567, 10180)]