31893160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61333}}^1$

素因数の和:61357

約数の個数: 32

約数和(自身を含む): 77280840

約数和(自身を除く): 45387680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61333, 122666, 245332, 306665, 490664, 613330, 797329, 1226660, 1594658, 2453320, 3189316, 3986645, 6378632, 7973290, 15946580, 31893160]

約数ペア:

[(1, 31893160), (2, 15946580), (4, 7973290), (5, 6378632), (8, 3986645), (10, 3189316), (13, 2453320), (20, 1594658), (26, 1226660), (40, 797329), (52, 613330), (65, 490664), (104, 306665), (130, 245332), (260, 122666), (520, 61333)]