130821860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16231}}^1$

素因数の和:16284

約数の個数: 48

約数和(自身を含む): 305421312

約数和(自身を除く): 174599452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 16231, 32462, 64924, 81155, 162310, 211003, 324620, 422006, 503161, 844012, 1006322, 1055015, 2012644, 2110030, 2515805, 4220060, 5031610, 6541093, 10063220, 13082186, 26164372, 32705465, 65410930, 130821860]

約数ペア:

[(1, 130821860), (2, 65410930), (4, 32705465), (5, 26164372), (10, 13082186), (13, 10063220), (20, 6541093), (26, 5031610), (31, 4220060), (52, 2515805), (62, 2110030), (65, 2012644), (124, 1055015), (130, 1006322), (155, 844012), (260, 503161), (310, 422006), (403, 324620), (620, 211003), (806, 162310), (1612, 81155), (2015, 64924), (4030, 32462), (8060, 16231)]